{"composer": null, "title": null, "midi_filename": "Marpurg, Friedrich Wilhelm, 21 Variations on 'Ich schlief da tr\u00e4umte mir', b9Y4N6tKYXo.mid", "record_id": null, "user": null, "start": 3072, "finish": 3200, "start_time": 413.54166666666663}