duplicate song

Most of my songs in iTunes on Mac are duplicated for whatever reason. I use Apple Music but also have some songs from local storage. Sometimes both copies are playable, sometimes one of them is greyed out. When I look at the cloud column, one copy says "Removed from iCloud" and the other one...

Apologies if this has been covered, but I couldn't find any recent notices in the search: I'm fairly new to Catalina and the new Music app. Just made some purchases from the store and I'm noticing consistent behavior with my new purchases (songs or albums): duplicate files are shown of each...