Title screen music won't stop playing in game.

Put the summary of the bug you're having here

What I expected to happen was...:
The music from the title screen to stop playing when I entered my world.

What actually happened was...:
The music continued to play, along with another song that normally starts in game.

Steps to Reproduce:
1. I entered the game, the music continued to play. I didn't think much about it.
2. The other music started playing. Kind of annoying.
3. I tried turning off the music under my music and sound settings. nothing would affect it except the master volume and my computer's volume.