I haven't found a way to do this so I ask for the feature to be implemented.
Instead of adding music folders as a global setting, make it so we can add or deny specific folder access for different users.
For instance:
User1 - All folder access
User2 - Access to Music 1, Music 2, Music 6 and Music 9 folder. Deny access to all other folders
User 3 - Access to Music 2 folder only
Thanks.