Apple Music in macOS Catalina will import users’ existing music libraries from iTunes in their entirety, Apple says. That includes not just music purchased on iTunes, but rips from CDs, MP3s, and the like added from other sources.

Ars Technica

And I assume we’ll still be able to add new mp3s to our libraries?

At my funeral, I want somebody to read my favorite poem. My favorite poem is “The Iliad.”