Plex: Artist Radio on more devices

Already available on Alexa, Roku, and our very cool desktop music player, Plexamp, Artist Radio is now available on your iOS and Android mobile devices, as well as Android TV and Apple TV. With Artist Radio, pick any musician or band from your music collection and Plex will make a radio station with similar artists from your library. Give it a go and rediscover music from all corners of your collection.

REF: https://www.plex.tv/your-media/music