Question: The Dream Chord is a chord, it is made up of which pitches, that is used prominently in the works of La Monte Young, an American avant-garde composer, musician, and artist generally recognized as the first minimalist composer?
Sentence (from "La Monte Young"): His works are cited as notable examples of post-war experimental and contemporary music, and were tied to New York's downtown music and Fluxus art scenes.
Relevant evidence: No