length expanded size cdr WAVE problems fmt ratio filename 8:25.653 291256364 B cxx -- ---xx flac 0.6748 dinosaurs1983-07-15t01.flac 5:40.547 196154924 B cxx -- ---xx flac 0.6784 dinosaurs1983-07-15t02.flac 8:00.213 276602924 B cxx -- ---xx flac 0.6721 dinosaurs1983-07-15t03.flac 9:27.680 326983724 B cxx -- ---xx flac 0.6549 dinosaurs1983-07-15t04.flac 8:43.933 301785644 B cxx -- ---xx flac 0.6632 dinosaurs1983-07-15t05.flac 40:18.027 1392783580 B 0.6676 (5 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned