What song is playing in the scene in Shutter Island when Leo DiCaprio walks in to find the Nazi who tried to commit suicide?

In the scene from "Shutter Island" where Leonardo DiCaprio's character, Teddy Daniels, discovers the Nazi prisoner, the song playing is "The Wave" by the composer Max Richter. This haunting piece contributes to the film's tense atmosphere and underscores the emotional weight of the moment. The music enhances the sense of dread and complexity surrounding the character's revelations.