What song is played on Grey's Anatomy when George dies?

In the episode of Grey's Anatomy where George O'Malley dies, the song played is "Breathe" by Anna Nalick. The poignant lyrics and emotional melody enhance the impact of the scene, underscoring the loss and grief experienced by the characters. This moment is a significant turning point in the series, further deepening the show's exploration of life, death, and the bonds between the characters.