Rumors suggest a dedicated YouTube Music app for Garmin wearables is coming. The exact features of the app are unclear; fans speculate that it would allow you to stream or download music for offline playback. The company also appears to be developing apps for other wearables and devices like Apple TV.https://www.notebookcheck.net/Garmin-watches-could-soon-have-a-YouTube-Music-app.725872.0.html
Finally.
Hopefully we can get Audible soon as well.