qms1968-06-08t01.flac:8d435871dcdf02d086b65ee576b07074 qms1968-06-08t02.flac:f726620af0ad4cabf372dc0314fb06d7 qms1968-06-08t03.flac:3601b5ccf7c58c25338491402eccf432 qms1968-06-08t04.flac:5332080e715b7279732cf02c2094086b qms1968-06-08t05.flac:88eb58d1ffb558e0ee0f0822f3ecb1f6 qms1968-06-08t06.flac:98ddfa642ff90d4350b10243159252f8 App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned