Dammit Shonda, you’ve done it again.
"Breathe" - Anna Nalick
Season 2, episode 17: This song played as Meredith pulled the bomb out of the body cavity and handed it to the bomb squad guy. We also saw Derek operating on Bailey's husband.
"Chasing Cars" - Snow Patrol
Season 2, episode 27: Izzy clings to Denny's dead body, and tells the attendings that she's giving up on being a surgeon.
ABC / Via youtube.com
"All I Need" - Mat Kearney
Season 3, episode 1: This song plays as Izzy lies on the floor mourning Denny, and finally decides to get up to sit Shiva.
"Falling Awake" - Gary Jules
Season 3, episode 12: The heartbreaking moment when George has to turn off his father's life support machines.