??? I’ve never had a problem importing CDs into iTunes on my iMac. Of the approximate 6,500 songs in it, only a little over 800 were purchased from the iTunes Store. The rest are from CDs, LPs, and CTs.
I wasn’t suggesting that mixing purchased music and ripped music was a problem.
The article talks about the problem mixing an “all you can eat” style subscription with purchased or added items.
Examples of the problems that Apple has with Music in this situation can be found on this earlier discussion:
Ah, OK. iTunes and Apple Music are two different animals. I use iTunes 220.127.116.11 on my iMac with MacOS 10.13.6. I’ve heard enough horror stories about Apple Music that I’m glad it won’t run on my iMac.