By beating each character's story mode you unlock an additional song for both karaoke and dance mode. Beat all 5 stories to unlock a hidden stage.

Song- Boogie Oogie Oogie - Beat Bubba's story
Song- Dancing in the Street - Beat Julius' story
Song- Love Shack - Beat Lea's story
Song- SOS (Rescue Me) - Beat Jet's story
Song- Tu y Yo - Beat Kato's story
Stage- Big Dub Hustle Club - Beat all 5 stories