batk2016-04-15t-01.flac:1c4230eceb4171c19e17bcdc3470125a batk2016-04-15t-02.flac:37db83f267d33f3af850d1731b8ded66 batk2016-04-15t-03.flac:7c2c02f936782ca11599d99d684334db batk2016-04-15t-04.flac:06fb7a33e477685a4215cdf0efaf62a8 batk2016-04-15t-05.flac:cdcedcc168b39648fb0c1168462c712c batk2016-04-15t-06.flac:d572e3f08bf58afe1a0ad8b9cabe68ce batk2016-04-15t-07.flac:4dc8ddbbe815c42f7b4f3a7c159e19ac batk2016-04-15t-08.flac:1ea6600624b5f63350e71971506953d0 batk2016-04-15t-09.flac:f02a4b4aac138a6d443237508595d7a1 batk2016-04-15t-10.flac:6cfa76b5dc3fc7e8de6e966f186970cc App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned