Situatie
If you use your Apple Watch for your exercise routine, you can add a playlist specifically for that activity. Then when you begin a workout, that playlist will play automatically (unless you’re listening to different music at the time).
Solutie
1) Open the Watch app on your iPhone and select the My Watch tab.
2) Tap Workout.
3) Toward the bottom, select Workout Playlist.
4) Choose your playlist and then tap the arrow to go back.
5) You’ll see the name of your playlist in the Workout Playlist spot.