In this season 4 episode of Grey’s Anatomy, The Quest by Bryn Christopher provides the steamy finale montage with some punch.
Find out more about Bryn Christopher and his music at MySpace.
Side note: another Bryn Christopher track, Smilin’ is pretty sweet too, there might be some re-mixes out there as well.
Get The Quest on 
You can find a full plot recap on buddytv.com.