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"): La Monte Thornton Young (born October 14, 1935) is an American avant-garde composer, musician, and artist generally recognized as the first minimalist composer.
Relevant evidence: Yes