Even with music off, you can still hear it

Put the summary of the bug you're having here

What I expected to happen was...:
The music to not be on

What actually happened was...:
I could hear it just slightly

Steps to Reproduce:
1. Turn system sounds up VERY LOUD
2. Join a singleplayer world
3. Wait for music to start
4. Turn music to OFF or 0%
5. Go back to game and listen carefully