db1997-09-19.t01.upenn.akg460.flac16.flac:77e82ffddb30acbc9f53127a85391f28 db1997-09-19.t02.upenn.akg460.flac16.flac:44e6cccb3b97967741cc0ec94dd3ba10 db1997-09-19.t03.upenn.akg460.flac16.flac:d3b3fa5311c3a5e5955a55c1705c7c37 db1997-09-19.t04.upenn.akg460.flac16.flac:e81b310abd9f3f0abb8e6201451f31b5 db1997-09-19.t05.upenn.akg460.flac16.flac:f6987e702b99a25fdbaf774ce0e08579 db1997-09-19.t06.upenn.akg460.flac16.flac:8da16ae3927ce0c678335e99764218d3 db1997-09-19.t07.upenn.akg460.flac16.flac:f7cfc70db53dac4b224d76c5ce48aae5 db1997-09-19.t08.upenn.akg460.flac16.flac:73155123957495983a448083fa536682 App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned