Kung Fu - 08.31.19 t01.flac:694e4f33c0c49ccadbbe5358e97fe91a Kung Fu - 08.31.19 t02.flac:ffa13b9c923bc290baa6bf5f284d26b4 Kung Fu - 08.31.19 t03.flac:8d6cb451a420dbf65ca8165f8df3fa8e Kung Fu - 08.31.19 t04.flac:f49b3c053682cbbb8e3dc0493afcc2c1 Kung Fu - 08.31.19 t05.flac:2d998cfacb30912c33ae671a2fdfcae8 Kung Fu - 08.31.19 t06.flac:fd8f8b7e21139928e22e539e9467ed1d App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned