length expanded size cdr WAVE problems fmt ratio filename 5:16.30 55813004 B --- -- ---xx flac 0.7198 Track01.flac 5:31.00 58388444 B --- -- ---xx flac 0.7221 Track02.flac 4:27.60 47239964 B --- -- ---xx flac 0.7299 Track03.flac 7:18.15 77298524 B --- -- ---xx flac 0.7092 Track04.flac 5:32.00 58564844 B --- -- ---xx flac 0.7130 Track05.flac 10:49.40 114577724 B --- -- ---xx flac 0.7017 Track06.flac 7:07.62 75468668 B --- -- ---xx flac 0.7089 Track07.flac 46:02.57 487351172 B 0.7126 (7 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned