Music not appearing on family shared device
Purchased music not appearing on all family shared devices. What's wrong?
Question marked as
Just to be clear, are you sure this is music you bought from the iTunes Store and not music that you leased with an Apple Music subscription? Are the music purchases hidden?
How to share purchases with your family - Apple Support
What types of content can I share with my family? - Apple Support
Note: you can share the Apple Music subscription, but not he music in that subscription. n nEveryone gets their own music library. If the subscription is not showing up for certain family members, they might be able to fix their issue by turning Sync Library off for all of their devices, then turning it back on again. Learn how.