In "Betrayal in Death" by J.D. Robb, the character activates a programmed entertainment system to play an aria from Carmen, filling the room with beautiful music. This reflects his appreciation for the arts and sets a serene mood, highlighting the emotional ambiance he seeks.
The choice of a classic opera piece emphasizes the character's refined tastes and adds depth to the scene. The music becomes a backdrop to the unfolding events, enriching the atmosphere and illustrating the intricate layers of his personality and the storyline.