What can I do if my Apple Music doesn’t work with Family Sharing? The head of the family shared with me Apple Music but it doesn’t appear

Did he send you an invitation join the family group and did you accept it?

Set up Family Sharing - Apple Support

Does the Family Organizer have a Family subscription to Apple Music?

Get an Apple Music family subscription - Apple Support

If so, ou might be able to fix your issue by turning Sync Library off for all of your devices, then turning it back on again.  Learn how.

Family share will not work on my husbands phone, it said to turn off sync library but his phone does not have one

I can’t access my Apple Music but on a family subscription