Song template: { "id":"some_id", "title":"A song title", "artist":"Ado", "album": "The Black Parade", "length":"04:12", "release_date": "YYYY-MM-DD", "cover_img":"img" }
Empty template: { "id":"", "title":"", "artist":"", "album": "", "length":"", "release_date": "", "cover_img":"" }