length expanded size cdr WAVE problems fmt ratio filename 4:46.49 50565692 B --- -- ---xx flac 0.5279 sistersparrow2014-12-30d01t01.flac 5:09.71 54674636 B --- -- ---xx flac 0.5298 sistersparrow2014-12-30d01t02.flac 5:11.19 54905132 B --- -- ---xx flac 0.5089 sistersparrow2014-12-30d01t03.flac 5:16.39 55834172 B --- -- ---xx flac 0.4972 sistersparrow2014-12-30d01t04.flac 4:41.20 49615484 B --- -- ---xx flac 0.4560 sistersparrow2014-12-30d01t05.flac 4:46.17 50490428 B --- -- ---xx flac 0.5052 sistersparrow2014-12-30d01t06.flac 4:37.28 48928700 B --- -- ---xx flac 0.5349 sistersparrow2014-12-30d01t07.flac 34:29.18 365014244 B 0.5087 (7 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned