"That's What Makes The World Go Round"' is a song from "Evan Gets His Wings". It's sung by Revvin' Evan and Herky as they fly through the air and express the difference of what it's like in air and on land. This song serves as the third track on the "Sing Along Songs" cassette, where it is given the title "That's What Makes The World Go 'Round". A sing-along version of this song is featured on the DVD "Liking Yourself, Inside & Out".