length expanded size cdr WAVE problems fmt ratio filename 0:51.20 9043484 B --- -- ---xx flac 0.2866 JoePug2010-05-28t01.flac 4:53.72 51854588 B --- -- ---xx flac 0.3929 JoePug2010-05-28t02.flac 3:40.26 38869196 B --- -- ---xx flac 0.3489 JoePug2010-05-28t03.flac 3:18.70 35091884 B --- -- ---xx flac 0.5189 JoePug2010-05-28t04.flac 0:36.11 6376316 B --- -- ---xx flac 0.4610 JoePug2010-05-28t05.flac 13:20.49 141235468 B 0.4083 (5 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned