length expanded size cdr WAVE problems fmt ratio filename 5:38.09 59644412 B --- -- ---xx flac 0.4247 sf1999-02-13s1t01.flac 6:15.48 66262940 B --- -- ---xx flac 0.5032 sf1999-02-13s1t02.flac 16:25.14 173786972 B --- -- ---xx flac 0.5218 sf1999-02-13s1t03.flac 10:54.56 115497356 B --- -- ---xx flac 0.4699 sf1999-02-13s1t04.flac 6:41.18 70778780 B --- -- ---xx flac 0.4464 sf1999-02-13s1t05.flac 6:42.03 70919900 B --- -- ---xx flac 0.4423 sf1999-02-13s1t06.flac 9:52.65 104581724 B --- -- ---xx flac 0.4775 sf1999-02-13s1t07.flac 6:15.64 66300572 B --- -- ---xx flac 0.4924 sf1999-02-13s1t08.flac 68:45.52 727772656 B 0.4798 (8 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned