f943048d5ea2ebf72c47cd838f7782f3 *kungfu2014-05-01.cmc641xt.sbd.matrix-t01.wav 3659cd0e4c7b44d9208503f6a24f9cba *kungfu2014-05-01.cmc641xt.sbd.matrix-t02.wav ac11f0a3434c17e683300ecefd492443 *kungfu2014-05-01.cmc641xt.sbd.matrix-t03.wav 88a74a294fb3ab070f8c89822a21efe5 *kungfu2014-05-01.cmc641xt.sbd.matrix-t04.wav ca4f3ebad531c0468433b22f9ab86fda *kungfu2014-05-01.cmc641xt.sbd.matrix-t05.wav App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned