Physical Musics and Apple Music Sync and Playlist issue

You can do what I do which is to have two libraries. I have a main library of about 65,000 tracks, and a separate Apple Music library that includes my purchases, selected content from my main library, and any Apple Music content I choose to add. The Apple Music library is what I use on my iPhone, iPad, Apple TV and HomePods.

tt2

Hello Andodo,

Thank you for posting in the Apple Support Communities. We'd like to share some information with you.

As it turns out, iCloud will only back up purchase history from Apple services. So, if your partner purchased music from the iTunes Store, that purchase history will save to iCloud. Here is what iCloud backs up:

What does iCloud back up?

Also, your partner can have up to 100,000 songs sync to his music library. When he turns on Sync Library with Apple Music, he then should be able to access all existing and new music on his iMac and iPhone. But, because Apple Music isn't a back up service, he might consider backing up his Mac using Time Machine and backing up his iPhone to his Mac. These steps might help prevent existing iCloud storage from maxing out. Here's how to back up:

Back up your Mac

How to back up your iPhone, iPad, and iPod touch with your Mac

Also, here are the steps if he decides to move forward with using Sync Library:

Turn on Sync Library with Apple Music

We hope this information is useful. Kind regards.

When you turn on Sync Library for the first time any music already in your computer will be matched or uploaded to your iCloud Music Library. You can then add in additional content from the Apple Music service.

tt2