length expanded size cdr WAVE problems fmt ratio filename 6:29.25 68678444 B --- -- ---xx flac 0.5008 barbaracue2005-02-12t01.flac 4:14.13 44836220 B --- -- ---xx flac 0.4834 barbaracue2005-02-12t02.flac 7:06.54 75273452 B --- -- ---xx flac 0.4875 barbaracue2005-02-12t03.flac 6:38.49 70322492 B --- -- ---xx flac 0.4677 barbaracue2005-02-12t04.flac 4:58.27 52630748 B --- -- ---xx flac 0.5254 barbaracue2005-02-12t05.flac 6:59.47 74022188 B --- -- ---xx flac 0.5511 barbaracue2005-02-12t06.flac 36:26.65 385763544 B 0.5032 (6 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned