Child’s music access
I have added my child to my family plan. They can’t open any music still. How do I log them in to their Apple account so they can access the library etc?
Why not? What happens when they try?
If you added their Apple ID to your Family Sharing group, and they cannot play any music from the Listen Now tab in the Music app on their device, go to Settings ➜ Apple ID ➜ Media & Purchases, and make sure they are correctly signed in.
If they are signed in, sing them out, and sign in again with their Apple ID there.
Do not, under any circumstance sign in with your Apple ID on their device.