"Set Your Heart" is a song written and produced by Cyndi Lauper and Richard Morel for Lauper's 2008 album Bring Ya to the Brink. The song was released as a promo-only single in Japan, where it received considerable airplay.
The track features an interpolation of "Where Are All My Friends" written by Gene McFadden, John Whitehead and Victor Carstarphen. "Where Are All My Friends" was a hit single for Harold Melvin & the Blue Notes and first appeared on their 1975 album To Be True.
Cyndi Lauper performed the song frequently during the True Colors Tour 2007 with live drums and brass.
| Chart (2008) | Peak position |
|---|---|
| Tokio Hot 100 | 4 |
| Billboard Japan Hot 100 Singles | 11 |