Since you were asking for it : here’s Apple Music running on my Cayin N6II no problem. Just installed it from the Playstore.
Video (gif) here:
https://drive.google.com/file/d/1fXiJDa2Esat8wzbMhJBaX0gRTzkbiX88/view?usp=sharing
It runs quite smooth too. The Video does not do it justice.