ab2017-02-17t01.flac:3817fefa6e1ad6fa8a90a449c48d336a ab2017-02-17t02.flac:d3be39464c3364cbff100e238d965e36 ab2017-02-17t03.flac:6ff94f1ebf1cebd5ddc4afbe01c52481 ab2017-02-17t04.flac:c75b490140502714d5b19129fbc8b6c1 ab2017-02-17t05.flac:9580c2c4b49a5ba20473b65351b7a5ac ab2017-02-17t06.flac:62ac71cd89b2c39b726c0bd53fd97d92 ab2017-02-17t07.flac:f51778ae0fc61d01d60a89c7bb9cad4d ab2017-02-17t08.flac:7496706696c6f6d45764b498c3fb8f5b App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned