The piece you're listening to right now is called "4'33"" by John Cage. This is the only song that changes every time you listen to it. ____ John Cage’s 4′33″ is a three‑movement composition built around the idea of listening with unusual intensity. The structure is VERY precise... extremely clear beginnings and endings, deliberate transitions, and it is one of my few favorite songs!! ____ Trivia!! 1. At precisely 2 minutes and 43 seconds, we hear a noise. Is this an intentional polyphonic gesture? Answer: Yes 2. What is the most complex instrument used in the beginning of this piece? Answer: If you don't know, I'll give it to you if you comment "Silent"! 3. How many movements does the piece have? Answer: Three