The Staircase - Una Morte Sospetta -

(notably "Spring 1" and "Summer 1"). "String Quartet No. 3 (Mishima): Closing" by Philip Glass. "More Today Than Yesterday" by The Spiral Starecase. "I Started A Joke" by the Bee Gees.

Several episodes also feature prominent classical and contemporary pieces:

: A track specifically referencing the central mystery weapon. "La Reine Rouge" : Another notable piece from the score. Featured Licensed Music

and "Courtroom" : Used during the legal and investigative segments.