Revanced has a patched yt music app. No ads, background play, and I use the super mix playlist a lot.

Fo those that prefer Spotify, check out spotube. Available for phone and Google TV.

On my TCL Google TV I use Smart Tube. It has sponsor block and you can filter out shorts.

I have the same controller The back 2 and upper shoulder buttons now work and are remappable at least in No Man’s Sky.