In "Extremely Loud and Incredibly Close," Mr. Black engages in a unique expression of emotion through song, choosing to sing in what the narrator perceives as a strange language. This moment reflects the deeper themes of communication and connection present throughout the novel, highlighting the barriers individuals face in expressing their feelings.

The reference to the language, thought to be Philippinish, adds an intriguing layer to Mr. Black's character, suggesting a rich history and personal background. It emphasizes the diversity of experiences and the complexity of human interactions in the narrative, illustrating how individuals cope with their pasts in different ways.