I recently cancelled my subscription to Apple Music and have just noticed that most of my music collection I had before subscribing has also vanished from my iMac iTunes and mobile devices! I read online some posts about unchecking iCloud Music library boxes etc but I can't see that option. I have Time Machine backups dating back to before the subscription ended and I can see a folder named "Music Archive" under "Music" in Finder on the iMac which seems to contain the old music files. How do I restore to my old library on my iMac and how do I get that music back on my iPhone and iPad? I left Music because finances are tight but discovering this sort of consequence / behaviour from Apple makes me kind of glad I have left! Surely if they dick around with a subscriber's music collection the least they can do whilst stripping out everything you got whilst under subscription is to also restore to the old library/archive.