DROP TABLE persons;
DROP TABLE roles;
DROP TABLE instruments;
DROP TABLE works;
DROP TABLE work_persons;
DROP TABLE work_instruments;
DROP TABLE ensembles;
DROP TABLE ensemble_persons;
DROP TABLE recordings;
DROP TABLE recording_persons;
DROP TABLE recording_ensembles;
DROP TABLE tracks;
DROP TABLE track_works;
DROP TABLE mediums;
DROP TABLE albums;
DROP TABLE album_recordings;
DROP TABLE album_mediums;