If you on your iPad.
Tap a playlist, then tap invite others to collaborate on a playlist.
If you’re the owner, you can change access and permissions for individuals or for everyone after you’ve started collaborating on a playlist.
Note: If you didn’t turn on Approve Collaborators, anyone collaborating on the playlist can share the link to the collaborative playlist.
Approve people before they can join: Turn on Approve Collaborators.
Accept request: Tap , then do any of the following:
Remove one person: Swipe left on the person’s name, then tap Remove.
Stop collaborating on a playlist: Tap Stop.
Go to the Music app Join a collaborative playlist in Music on iPad