- Always use the hosted web app as it is almost always newer than the local web app on your server
- Use the new “Plex Music” metadata agent / scanner for your music library
- The path setting is located at Settings - Server - ‘Show Advanced’ - Extras - “Global music videos path”
- all settings under Settings - Server - Agents are only for the old, deprecated metadata agents. You can completely ignore them if you use the new agents.
Here is a post with illustrations on how music videos are working Cannot get Global Music extras to work - #5 by OttoKerner