1. Get to the mission control panel . This is in the main room of Franktown Rocks, at the other side from the main entrance.
2. Switch the mission control to "Bass" . This will set the control panel to change the music that plays in the nightclub to "bass".
3. Step onto the dance floor. . The dance floor is in the middle of Franktown Rocks, it plays different drum sounds when stepped on based on the mission control selected.
4. The left side of the dance floor will play the bass drum. . Stand on there to hear the bass drum.