What's the song that plays while Casey and Izzie are running near the end? (Season 3, Episode 9)

Runnin' It Now- Pigeon John

https://open.spotify.com/track/67W5pm8NhJD4hyAnBUogLd?si=cq3uZjgQSKWTOKpVEV3mEg

Sam Takes a Walk

Casey's divine dance moves with Izzie at the party

Moby Rich

Near to the end of the episode when Elsa is cutting Doug's hair.