How can I synchronize my music across all devices?
Over the years I have built a substantial collection of music, some purchased from the iTunes Store on two different Apple IDs, some purchased from other vendors, and some ripped from a huge CD collection. In the past, I have been able to synchronize music between my phone, desktop and laptop, but now apparently cannot.
I don't have or want an Apple Music subscription, since my tastes range wide of their catalog, but now it seems the only way to synchronize my music is to pay Apple another monthly fee.
Please advise.
iMac 27″, macOS 11.2