length expanded size cdr WAVE problems fmt ratio filename 4:26.43 44.85 MB --- -- ---xx flac 0.5916 wu2000-01-29s1t01.flac 6:50.20 69.02 MB --- -- ---xx flac 0.5410 wu2000-01-29s1t02.flac 8:17.53 83.73 MB --- -- ---xx flac 0.6057 wu2000-01-29s1t03.flac 7:08.04 72.01 MB --- -- ---xx flac 0.6202 wu2000-01-29s1t04.flac 10:02.46 101.38 MB --- -- ---xx flac 0.5950 wu2000-01-29s1t05.flac 7:05.16 71.53 MB --- -- ---xx flac 0.6233 wu2000-01-29s1t06.flac 43:50.32 442.51 MB 0.5969 (6 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned