diff --git a/musicus/res/musicus.gresource.xml b/musicus/res/musicus.gresource.xml
index 4ab573a..4e94aea 100644
--- a/musicus/res/musicus.gresource.xml
+++ b/musicus/res/musicus.gresource.xml
@@ -4,11 +4,9 @@
         <file preprocess="xml-stripblanks">ui/ensemble_editor.ui</file>
         <file preprocess="xml-stripblanks">ui/ensemble_screen.ui</file>
         <file preprocess="xml-stripblanks">ui/ensemble_selector.ui</file>
+        <file preprocess="xml-stripblanks">ui/import_dialog.ui</file>
         <file preprocess="xml-stripblanks">ui/import_disc_dialog.ui</file>
-<<<<<<< HEAD
         <file preprocess="xml-stripblanks">ui/import_folder_dialog.ui</file>
-=======
->>>>>>> wip/cd-ripping-old
         <file preprocess="xml-stripblanks">ui/instrument_editor.ui</file>
         <file preprocess="xml-stripblanks">ui/instrument_selector.ui</file>
         <file preprocess="xml-stripblanks">ui/login_dialog.ui</file>
@@ -27,8 +25,9 @@
         <file preprocess="xml-stripblanks">ui/recording_selector_screen.ui</file>
         <file preprocess="xml-stripblanks">ui/selector.ui</file>
         <file preprocess="xml-stripblanks">ui/server_dialog.ui</file>
-        <file preprocess="xml-stripblanks">ui/tracks_editor.ui</file>
         <file preprocess="xml-stripblanks">ui/track_editor.ui</file>
+        <file preprocess="xml-stripblanks">ui/track_selector.ui</file>
+        <file preprocess="xml-stripblanks">ui/track_set_editor.ui</file>
         <file preprocess="xml-stripblanks">ui/window.ui</file>
         <file preprocess="xml-stripblanks">ui/work_editor.ui</file>
         <file preprocess="xml-stripblanks">ui/work_part_editor.ui</file>
diff --git a/musicus/res/ui/import_dialog.ui b/musicus/res/ui/import_dialog.ui
new file mode 100644
index 0000000..615b733
--- /dev/null
+++ b/musicus/res/ui/import_dialog.ui
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <requires lib="gtk+" version="3.24"/>
+  <requires lib="libhandy" version="1.0"/>
+  <object class="GtkBox" id="widget">
+    <property name="visible">True</property>
+    <property name="orientation">vertical</property>
+    <child>
+      <object class="HdyHeaderBar">
+        <property name="visible">True</property>
+        <property name="title" translatable="yes">Import music</property>
+        <child>
+          <object class="GtkButton" id="back_button">
+            <property name="visible">True</property>
+            <property name="can-focus">True</property>
+            <child>
+              <object class="GtkImage">
+                <property name="visible">True</property>
+                <property name="icon-name">go-previous-symbolic</property>
+              </object>
+            </child>
+          </object>
+        </child>
+        <child>
+          <object class="GtkButton" id="add_button">
+            <property name="visible">True</property>
+            <property name="can-focus">True</property>
+            <child>
+              <object class="GtkImage">
+                <property name="visible">True</property>
+                <property name="icon-name">list-add-symbolic</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="pack-type">end</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <child>
+      <object class="GtkScrolledWindow">
+        <property name="visible">True</property>
+        <property name="can-focus">True</property>
+        <property name="vexpand">True</property>
+        <child>
+          <object class="HdyClamp">
+            <property name="visible">True</property>
+            <child>
+              <object class="GtkFrame" id="frame">
+                <property name="visible">True</property>
+                <property name="valign">start</property>
+                <property name="shadow-type">in</property>
+                <property name="margin-top">12</property>
+                <property name="margin-bottom">6</property>
+                <property name="margin-start">6</property>
+                <property name="margin-end">6</property>
+              </object>
+            </child>
+          </object>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>
diff --git a/musicus/res/ui/import_folder_dialg.ui b/musicus/res/ui/import_folder_dialog.ui
similarity index 60%
rename from musicus/res/ui/import_folder_dialg.ui
rename to musicus/res/ui/import_folder_dialog.ui
index 6d38f09..1b1ea91 100644
--- a/musicus/res/ui/import_folder_dialg.ui
+++ b/musicus/res/ui/import_folder_dialog.ui
@@ -1,42 +1,31 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.38.2 -->
 <interface>
   <requires lib="gtk+" version="3.24"/>
   <requires lib="libhandy" version="1.0"/>
   <object class="GtkBox" id="widget">
     <property name="visible">True</property>
-    <property name="can-focus">False</property>
     <property name="orientation">vertical</property>
     <child>
       <object class="HdyHeaderBar">
         <property name="visible">True</property>
-        <property name="can-focus">False</property>
         <property name="title" translatable="yes">Import folder</property>
         <child>
           <object class="GtkButton" id="back_button">
             <property name="visible">True</property>
             <property name="can-focus">True</property>
-            <property name="receives-default">True</property>
             <child>
               <object class="GtkImage">
                 <property name="visible">True</property>
-                <property name="can-focus">False</property>
                 <property name="icon-name">go-previous-symbolic</property>
               </object>
             </child>
           </object>
         </child>
       </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">0</property>
-      </packing>
     </child>
     <child>
       <object class="GtkBox">
         <property name="visible">True</property>
-        <property name="can-focus">False</property>
         <property name="halign">center</property>
         <property name="valign">center</property>
         <property name="vexpand">True</property>
@@ -46,72 +35,43 @@
         <child>
           <object class="GtkImage">
             <property name="visible">True</property>
-            <property name="can-focus">False</property>
-            <property name="opacity">0.50196078431372548</property>
+            <property name="opacity">0.5</property>
             <property name="pixel-size">80</property>
             <property name="icon-name">folder-symbolic</property>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">0</property>
-          </packing>
         </child>
         <child>
           <object class="GtkLabel">
             <property name="visible">True</property>
-            <property name="can-focus">False</property>
-            <property name="opacity">0.50196078431372548</property>
+            <property name="opacity">0.5</property>
             <property name="label" translatable="yes">Import from a folder</property>
             <attributes>
               <attribute name="size" value="16384"/>
             </attributes>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
         </child>
         <child>
           <object class="GtkLabel">
             <property name="visible">True</property>
-            <property name="can-focus">False</property>
-            <property name="opacity">0.50196078431372548</property>
+            <property name="opacity">0.5</property>
             <property name="label" translatable="yes">Select a folder containing audio files with the button below. After adding the metdata in the next step, the folder will be copied to your music library.</property>
             <property name="justify">center</property>
             <property name="wrap">True</property>
             <property name="max-width-chars">40</property>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">2</property>
-          </packing>
         </child>
         <child>
           <object class="GtkButton" id="import_button">
             <property name="label" translatable="yes">Select</property>
             <property name="visible">True</property>
             <property name="can-focus">True</property>
-            <property name="receives-default">True</property>
             <property name="halign">center</property>
             <style>
               <class name="suggested-action"/>
             </style>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">3</property>
-          </packing>
         </child>
       </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">1</property>
-      </packing>
     </child>
   </object>
 </interface>
diff --git a/musicus/res/ui/track_editor.ui b/musicus/res/ui/track_editor.ui
index 592b1af..9657d7d 100644
--- a/musicus/res/ui/track_editor.ui
+++ b/musicus/res/ui/track_editor.ui
@@ -1,107 +1,67 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.38.1 -->
 <interface>
   <requires lib="gtk+" version="3.24"/>
-  <requires lib="libhandy" version="0.0"/>
+  <requires lib="libhandy" version="1.0"/>
   <object class="GtkBox" id="widget">
     <property name="visible">True</property>
-    <property name="can-focus">False</property>
     <property name="orientation">vertical</property>
     <child>
       <object class="HdyHeaderBar">
         <property name="visible">True</property>
-        <property name="can-focus">False</property>
         <property name="title" translatable="yes">Track</property>
         <child>
           <object class="GtkButton" id="back_button">
             <property name="visible">True</property>
             <property name="can-focus">True</property>
-            <property name="receives-default">True</property>
             <child>
               <object class="GtkImage">
                 <property name="visible">True</property>
-                <property name="can-focus">False</property>
                 <property name="icon-name">go-previous-symbolic</property>
               </object>
             </child>
           </object>
         </child>
         <child>
-          <object class="GtkButton" id="save_button">
+          <object class="GtkButton" id="select_button">
             <property name="visible">True</property>
             <property name="can-focus">True</property>
-            <property name="receives-default">True</property>
-            <child>
-              <object class="GtkImage">
-                <property name="visible">True</property>
-                <property name="can-focus">False</property>
-                <property name="icon-name">object-select-symbolic</property>
-              </object>
-            </child>
             <style>
               <class name="suggested-action"/>
             </style>
+            <child>
+              <object class="GtkImage">
+                <property name="visible">True</property>
+                <property name="icon-name">object-select-symbolic</property>
+              </object>
+            </child>
           </object>
           <packing>
             <property name="pack-type">end</property>
-            <property name="position">1</property>
           </packing>
         </child>
       </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">0</property>
-      </packing>
     </child>
     <child>
       <object class="GtkScrolledWindow">
         <property name="visible">True</property>
         <property name="can-focus">True</property>
+        <property name="vexpand">True</property>
         <child>
           <object class="GtkViewport">
             <property name="visible">True</property>
-            <property name="can-focus">False</property>
             <property name="shadow-type">none</property>
             <child>
               <object class="HdyClamp">
                 <property name="visible">True</property>
-                <property name="can-focus">False</property>
-                <property name="maximum-size">500</property>
-                <property name="tightening-threshold">300</property>
                 <child>
-                  <object class="GtkFrame">
+                  <object class="GtkFrame" id="parts_frame">
                     <property name="visible">True</property>
-                    <property name="can-focus">False</property>
                     <property name="valign">start</property>
+                    <property name="margin-top">12</property>
                     <property name="margin-start">6</property>
                     <property name="margin-end">6</property>
-                    <property name="margin-top">12</property>
                     <property name="margin-bottom">6</property>
-                    <property name="label-xalign">0</property>
                     <property name="shadow-type">in</property>
-                    <child>
-                      <object class="GtkListBox" id="list">
-                        <property name="visible">True</property>
-                        <property name="can-focus">False</property>
-                        <property name="selection-mode">none</property>
-                        <child type="placeholder">
-                          <object class="GtkLabel">
-                            <property name="visible">True</property>
-                            <property name="can-focus">False</property>
-                            <property name="margin-start">6</property>
-                            <property name="margin-end">6</property>
-                            <property name="margin-top">6</property>
-                            <property name="margin-bottom">6</property>
-                            <property name="label" translatable="yes">Select a recording of a work with multiple parts.</property>
-                            <property name="ellipsize">end</property>
-                          </object>
-                        </child>
-                      </object>
-                    </child>
-                    <child type="label_item">
-                      <placeholder/>
-                    </child>
                   </object>
                 </child>
               </object>
@@ -109,11 +69,6 @@
           </object>
         </child>
       </object>
-      <packing>
-        <property name="expand">True</property>
-        <property name="fill">True</property>
-        <property name="position">1</property>
-      </packing>
     </child>
   </object>
 </interface>
diff --git a/musicus/res/ui/track_selector.ui b/musicus/res/ui/track_selector.ui
new file mode 100644
index 0000000..9654441
--- /dev/null
+++ b/musicus/res/ui/track_selector.ui
@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <requires lib="gtk+" version="3.24"/>
+  <requires lib="libhandy" version="1.0"/>
+  <object class="GtkBox" id="widget">
+    <property name="visible">True</property>
+    <property name="orientation">vertical</property>
+    <child>
+      <object class="HdyHeaderBar">
+        <property name="visible">True</property>
+        <property name="title" translatable="yes">Select tracks</property>
+        <child>
+          <object class="GtkButton" id="back_button">
+            <property name="visible">True</property>
+            <property name="can-focus">True</property>
+            <child>
+              <object class="GtkImage">
+                <property name="visible">True</property>
+                <property name="icon-name">go-previous-symbolic</property>
+              </object>
+            </child>
+          </object>
+        </child>
+        <child>
+          <object class="GtkButton" id="select_button">
+            <property name="visible">True</property>
+            <property name="can-focus">True</property>
+            <property name="sensitive">False</property>
+            <style>
+              <class name="suggested-action"/>
+            </style>
+            <child>
+              <object class="GtkImage">
+                <property name="visible">True</property>
+                <property name="icon-name">object-select-symbolic</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="pack-type">end</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <child>
+      <object class="GtkScrolledWindow">
+        <property name="visible">True</property>
+        <property name="can-focus">True</property>
+        <property name="vexpand">True</property>
+        <child>
+          <object class="GtkViewport">
+            <property name="visible">True</property>
+            <property name="shadow-type">none</property>
+            <child>
+              <object class="HdyClamp">
+                <property name="visible">True</property>
+                <child>
+                  <object class="GtkFrame" id="tracks_frame">
+                    <property name="visible">True</property>
+                    <property name="valign">start</property>
+                    <property name="margin-top">12</property>
+                    <property name="margin-start">6</property>
+                    <property name="margin-end">6</property>
+                    <property name="margin-bottom">6</property>
+                    <property name="shadow-type">in</property>
+                  </object>
+                </child>
+              </object>
+            </child>
+          </object>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>
diff --git a/musicus/res/ui/track_set_editor.ui b/musicus/res/ui/track_set_editor.ui
new file mode 100644
index 0000000..95f0c1a
--- /dev/null
+++ b/musicus/res/ui/track_set_editor.ui
@@ -0,0 +1,153 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <requires lib="gtk+" version="3.24"/>
+  <requires lib="libhandy" version="1.0"/>
+  <object class="GtkBox" id="widget">
+    <property name="visible">True</property>
+    <property name="orientation">vertical</property>
+    <child>
+      <object class="HdyHeaderBar">
+        <property name="visible">True</property>
+        <property name="title" translatable="yes">Tracks</property>
+        <child>
+          <object class="GtkButton" id="back_button">
+            <property name="visible">True</property>
+            <property name="can-focus">True</property>
+            <child>
+              <object class="GtkImage">
+                <property name="visible">True</property>
+                <property name="icon-name">go-previous-symbolic</property>
+              </object>
+            </child>
+          </object>
+        </child>
+        <child>
+          <object class="GtkButton" id="save_button">
+            <property name="visible">True</property>
+            <property name="can-focus">True</property>
+            <property name="sensitive">False</property>
+            <style>
+              <class name="suggested-action"/>
+            </style>
+            <child>
+              <object class="GtkImage">
+                <property name="visible">True</property>
+                <property name="icon-name">object-select-symbolic</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="pack-type">end</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <child>
+      <object class="GtkScrolledWindow">
+        <property name="visible">True</property>
+        <property name="can-focus">True</property>
+        <property name="vexpand">True</property>
+        <child>
+          <object class="GtkViewport">
+            <property name="visible">True</property>
+            <property name="shadow-type">none</property>
+            <child>
+              <object class="HdyClamp">
+                <property name="visible">True</property>
+                <child>
+                  <object class="GtkBox">
+                    <property name="visible">True</property>
+                    <property name="margin-start">6</property>
+                    <property name="margin-end">6</property>
+                    <property name="margin-bottom">6</property>
+                    <property name="orientation">vertical</property>
+                    <child>
+                      <object class="GtkLabel">
+                        <property name="visible">True</property>
+                        <property name="halign">start</property>
+                        <property name="margin-top">12</property>
+                        <property name="margin-bottom">6</property>
+                        <property name="label" translatable="yes">Recording</property>
+                        <attributes>
+                          <attribute name="weight" value="bold"/>
+                        </attributes>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkFrame">
+                        <property name="visible">True</property>
+                        <property name="shadow-type">in</property>
+                        <child>
+                          <object class="GtkListBox">
+                            <property name="visible">True</property>
+                            <property name="selection-mode">none</property>
+                            <child>
+                              <object class="HdyActionRow" id="recording_row">
+                                <property name="visible">True</property>
+                                <property name="can-focus">True</property>
+                                <property name="activatable">True</property>
+                                <property name="title" translatable="yes">Select a recording</property>
+                                <property name="activatable-widget">select_recording_button</property>
+                                <child>
+                                  <object class="GtkButton" id="select_recording_button">
+                                    <property name="label" translatable="yes">Select</property>
+                                    <property name="visible">True</property>
+                                    <property name="can-focus">True</property>
+                                    <property name="valign">center</property>
+                                  </object>
+                                </child>
+                              </object>
+                            </child>
+                          </object>
+                        </child>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkBox">
+                        <property name="visible">True</property>
+                        <property name="orientation">horizontal</property>
+                        <property name="margin-top">12</property>
+                        <property name="margin-bottom">6</property>
+                        <child>
+                          <object class="GtkLabel">
+                            <property name="visible">True</property>
+                            <property name="halign">start</property>
+                            <property name="valign">end</property>
+                            <property name="hexpand">True</property>
+                            <property name="label" translatable="yes">Tracks</property>
+                            <attributes>
+                              <attribute name="weight" value="bold"/>
+                            </attributes>
+                          </object>
+                        </child>
+                        <child>
+                          <object class="GtkButton" id="edit_tracks_button">
+                            <property name="visible">True</property>
+                            <property name="can-focus">True</property>
+                            <property name="relief">none</property>
+                            <child>
+                              <object class="GtkImage">
+                                <property name="visible">True</property>
+                                <property name="icon-name">document-edit-symbolic</property>
+                              </object>
+                            </child>
+                          </object>
+                        </child>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkFrame" id="tracks_frame">
+                        <property name="visible">True</property>
+                        <property name="shadow-type">in</property>
+                      </object>
+                    </child>
+                  </object>
+                </child>
+              </object>
+            </child>
+          </object>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>
diff --git a/musicus/res/ui/tracks_editor.ui b/musicus/res/ui/tracks_editor.ui
deleted file mode 100644
index 4a23e84..0000000
--- a/musicus/res/ui/tracks_editor.ui
+++ /dev/null
@@ -1,311 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.38.1 -->
-<interface>
-  <requires lib="gtk+" version="3.24"/>
-  <requires lib="libhandy" version="0.0"/>
-  <object class="GtkBox" id="widget">
-    <property name="visible">True</property>
-    <property name="can-focus">False</property>
-    <property name="orientation">vertical</property>
-    <child>
-      <object class="HdyHeaderBar">
-        <property name="visible">True</property>
-        <property name="can-focus">False</property>
-        <property name="title" translatable="yes">Tracks</property>
-        <child>
-          <object class="GtkButton" id="save_button">
-            <property name="visible">True</property>
-            <property name="sensitive">False</property>
-            <property name="can-focus">True</property>
-            <property name="receives-default">True</property>
-            <child>
-              <object class="GtkImage">
-                <property name="visible">True</property>
-                <property name="can-focus">False</property>
-                <property name="icon-name">object-select-symbolic</property>
-              </object>
-            </child>
-            <style>
-              <class name="suggested-action"/>
-            </style>
-          </object>
-          <packing>
-            <property name="pack-type">end</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="back_button">
-            <property name="visible">True</property>
-            <property name="can-focus">True</property>
-            <property name="receives-default">True</property>
-            <child>
-              <object class="GtkImage">
-                <property name="visible">True</property>
-                <property name="can-focus">False</property>
-                <property name="icon-name">go-previous-symbolic</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="position">1</property>
-          </packing>
-        </child>
-      </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">0</property>
-      </packing>
-    </child>
-    <child>
-      <object class="HdyClamp">
-        <property name="visible">True</property>
-        <property name="can-focus">False</property>
-        <property name="vexpand">True</property>
-        <property name="maximum-size">800</property>
-        <property name="tightening-threshold">300</property>
-        <child>
-          <!-- n-columns=2 n-rows=2 -->
-          <object class="GtkGrid">
-            <property name="visible">True</property>
-            <property name="can-focus">False</property>
-            <property name="vexpand">True</property>
-            <property name="border-width">18</property>
-            <property name="row-spacing">12</property>
-            <property name="column-spacing">6</property>
-            <child>
-              <object class="GtkLabel">
-                <property name="visible">True</property>
-                <property name="can-focus">False</property>
-                <property name="halign">end</property>
-                <property name="label" translatable="yes">Recording</property>
-              </object>
-              <packing>
-                <property name="left-attach">0</property>
-                <property name="top-attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="recording_button">
-                <property name="visible">True</property>
-                <property name="can-focus">True</property>
-                <property name="receives-default">True</property>
-                <property name="hexpand">True</property>
-                <child>
-                  <object class="GtkStack" id="recording_stack">
-                    <property name="visible">True</property>
-                    <property name="can-focus">False</property>
-                    <property name="vhomogeneous">False</property>
-                    <property name="transition-type">crossfade</property>
-                    <property name="interpolate-size">True</property>
-                    <child>
-                      <object class="GtkLabel">
-                        <property name="visible">True</property>
-                        <property name="can-focus">False</property>
-                        <property name="halign">start</property>
-                        <property name="label" translatable="yes">Select …</property>
-                      </object>
-                      <packing>
-                        <property name="name">unselected</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkBox">
-                        <property name="visible">True</property>
-                        <property name="can-focus">False</property>
-                        <property name="orientation">vertical</property>
-                        <child>
-                          <object class="GtkLabel" id="work_label">
-                            <property name="visible">True</property>
-                            <property name="can-focus">False</property>
-                            <property name="halign">start</property>
-                            <property name="label" translatable="yes">Work</property>
-                            <property name="ellipsize">end</property>
-                            <attributes>
-                              <attribute name="weight" value="bold"/>
-                            </attributes>
-                          </object>
-                          <packing>
-                            <property name="expand">False</property>
-                            <property name="fill">True</property>
-                            <property name="position">0</property>
-                          </packing>
-                        </child>
-                        <child>
-                          <object class="GtkLabel" id="performers_label">
-                            <property name="visible">True</property>
-                            <property name="can-focus">False</property>
-                            <property name="opacity">0.5</property>
-                            <property name="halign">start</property>
-                            <property name="label" translatable="yes">Performers</property>
-                            <property name="ellipsize">end</property>
-                          </object>
-                          <packing>
-                            <property name="expand">False</property>
-                            <property name="fill">True</property>
-                            <property name="position">1</property>
-                          </packing>
-                        </child>
-                      </object>
-                      <packing>
-                        <property name="name">selected</property>
-                        <property name="position">1</property>
-                      </packing>
-                    </child>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="left-attach">1</property>
-                <property name="top-attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkBox">
-                <property name="visible">True</property>
-                <property name="can-focus">False</property>
-                <property name="vexpand">True</property>
-                <property name="spacing">6</property>
-                <child>
-                  <object class="GtkScrolledWindow" id="scroll">
-                    <property name="visible">True</property>
-                    <property name="can-focus">True</property>
-                    <property name="shadow-type">in</property>
-                    <child>
-                      <placeholder/>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="expand">True</property>
-                    <property name="fill">True</property>
-                    <property name="position">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkBox">
-                    <property name="visible">True</property>
-                    <property name="can-focus">False</property>
-                    <property name="orientation">vertical</property>
-                    <property name="spacing">6</property>
-                    <child>
-                      <object class="GtkButton" id="add_track_button">
-                        <property name="visible">True</property>
-                        <property name="can-focus">True</property>
-                        <property name="receives-default">True</property>
-                        <child>
-                          <object class="GtkImage">
-                            <property name="visible">True</property>
-                            <property name="can-focus">False</property>
-                            <property name="icon-name">list-add-symbolic</property>
-                          </object>
-                        </child>
-                      </object>
-                      <packing>
-                        <property name="expand">False</property>
-                        <property name="fill">True</property>
-                        <property name="position">0</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkButton" id="edit_track_button">
-                        <property name="visible">True</property>
-                        <property name="can-focus">True</property>
-                        <property name="receives-default">True</property>
-                        <child>
-                          <object class="GtkImage">
-                            <property name="visible">True</property>
-                            <property name="can-focus">False</property>
-                            <property name="icon-name">edit-symbolic</property>
-                          </object>
-                        </child>
-                      </object>
-                      <packing>
-                        <property name="expand">False</property>
-                        <property name="fill">True</property>
-                        <property name="position">2</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkButton" id="remove_track_button">
-                        <property name="visible">True</property>
-                        <property name="can-focus">True</property>
-                        <property name="receives-default">True</property>
-                        <child>
-                          <object class="GtkImage">
-                            <property name="visible">True</property>
-                            <property name="can-focus">False</property>
-                            <property name="icon-name">list-remove-symbolic</property>
-                          </object>
-                        </child>
-                      </object>
-                      <packing>
-                        <property name="expand">False</property>
-                        <property name="fill">True</property>
-                        <property name="position">3</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkButton" id="move_track_down_button">
-                        <property name="visible">True</property>
-                        <property name="can-focus">True</property>
-                        <property name="receives-default">True</property>
-                        <child>
-                          <object class="GtkImage">
-                            <property name="visible">True</property>
-                            <property name="can-focus">False</property>
-                            <property name="icon-name">go-down-symbolic</property>
-                          </object>
-                        </child>
-                      </object>
-                      <packing>
-                        <property name="expand">False</property>
-                        <property name="fill">True</property>
-                        <property name="pack-type">end</property>
-                        <property name="position">4</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkButton" id="move_track_up_button">
-                        <property name="visible">True</property>
-                        <property name="can-focus">True</property>
-                        <property name="receives-default">True</property>
-                        <child>
-                          <object class="GtkImage">
-                            <property name="visible">True</property>
-                            <property name="can-focus">False</property>
-                            <property name="icon-name">go-up-symbolic</property>
-                          </object>
-                        </child>
-                      </object>
-                      <packing>
-                        <property name="expand">False</property>
-                        <property name="fill">True</property>
-                        <property name="pack-type">end</property>
-                        <property name="position">5</property>
-                      </packing>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="expand">False</property>
-                    <property name="fill">True</property>
-                    <property name="position">1</property>
-                  </packing>
-                </child>
-              </object>
-              <packing>
-                <property name="left-attach">0</property>
-                <property name="top-attach">1</property>
-                <property name="width">2</property>
-              </packing>
-            </child>
-          </object>
-        </child>
-      </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">1</property>
-      </packing>
-    </child>
-  </object>
-</interface>