The FCC has published documents for Garmin's upcoming Forerunner 255 and Forerunner 955 series smartwatches. The pair are thought to be only a month away from release and should include special Music variants.
https://www.notebookcheck.net/Garmin-Forerunner-255-and-Forerunner-955-series-emerge-on-FCC-before-US-release-and-possible-June-announcement.620382.0.html