8tracks: Include performer as uploader

test/tests.json

@@ -244,7 +244,8 @@
         "file": "11885610.m4a",
         "md5": "96ce57f24389fc8734ce47f4c1abcc55",
         "info_dict": {
-          "title": "youtube-dl test track 1 \"'/\\\u00e4\u21ad"
+          "title": "youtube-dl test track 1 \"'/\\\u00e4\u21ad",
+          "uploader": "youtue-dl project<>\"'"
         }
       },
       {

youtube_dl/InfoExtractors.py

@@ -3893,6 +3893,7 @@ class EightTracksIE(InfoExtractor):
                 'id': track_data['id'],
                 'url': track_data['track_file_stream_url'],
                 'title': track_data['name'],
+                'uploader': track_data['performer'],
                 'ext': 'm4a',
             }
             res.append(info)