adamdeitchquartet2018-09-29.cmc65.sbd.matrix-t01.flac:f84d32955259542e6c759b3fe173dbcf adamdeitchquartet2018-09-29.cmc65.sbd.matrix-t02.flac:f6b6c85dc88882e03be0013b7b01b9ac adamdeitchquartet2018-09-29.cmc65.sbd.matrix-t03.flac:a5a79678d543777eef01623013fce376 adamdeitchquartet2018-09-29.cmc65.sbd.matrix-t04.flac:eb82699eb9e79478aa292828138e3261 adamdeitchquartet2018-09-29.cmc65.sbd.matrix-t05.flac:dea9ccc528c8683e4de9434e5b0ecdd0 adamdeitchquartet2018-09-29.cmc65.sbd.matrix-t06.flac:0314c614338c610734811090b197ddde App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned