{"composer": null, "title": null, "midi_filename": "Wollenhaupt, Hermann Adolf, Spinnerlied aus 'Der fliegende Holl\u00e4nder', Op.67, OnXDU7Cgqak.mid", "record_id": null, "user": null, "start": 384, "finish": 512, "start_time": 40.07421875}