Hi In4lo
welcome to the Apple (user-to-user) Community!
Re: copy music library to vision pro from mac
"Play music shared on a nearby computer
If a computer on your network shares music through Home Sharing, you can stream its music to your Apple Vision Pro.
- Go to Settings
> Apps > Music, tap Sign In below Home Sharing, then sign in with your Apple ID. - Open the Music app
, tap Edit in the sidebar, select Home Sharing, then tap Done. - Tap Home Sharing, then choose a shared library."
"View albums, playlists, and more in Music on Apple Vision Pro
In the Music app
, the library includes music you added or downloaded from Apple Music, music videos you added from Apple Music, and your iTunes Store purchases."
Above is from the complete article: View albums, playlists, and more in Music on Apple Vision Pro - Apple Support
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Also:
You can redownload purchased music, and more.
Restore purchased and deleted items to your Apple Vision Pro - Apple Support
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If needed: There's help from the experts available:
Vision Pro Support Webpage: info / support / contact options etc., and / or download the app
Apple Vision Pro - Official Apple Support