1. Muscle system – Call me Maybe
Muscle System Song (Bob)
Muscular system rap with lyrics
Muscle system song (girl on porch)
Muscular system Test Song
Muscle system review (to for your entertainment)
Muscle song – Glutes Up
M-U-S-C-L-E-S Rap

2. The Muscle Song (girl in blue shirt – not doing anything)
Muscles in the Body (Friday)
Muscle system song! (bad singing in store)
The muscle song (GiHo girls – in red)