I starting to check Apple Music in last days and i notice to something that i'm not sure if i missing something in the app or it's really not possible: on Spotify with same account once i starting to play something on device X i see it's on device Y, on Apple music sadly i starting to play something on my iphone and i don't see any changes on my mac. they both sign in with my apple ID and icloud library sync is on..it's something that should to work?