text: As an outlet for his work, this composer founded a namesake ensemble comprised of three keyboards, some winds, and a soprano who generally only sings solfege.
full_question: As an outlet for his work, this composer founded a namesake ensemble comprised of three keyboards, some winds, and a soprano who generally only sings solfege. This composer wrote the score to a film in which the liftoff of a Saturn V rocket is followed by footage of an Atlas rocket exploding; an earlier section of that score contains the song "Pruitt Igoe." (*) Time-lapse images comprise much of that film titled after the Hopi word for "life out of balance." This composer wrote a "Portrait Trilogy" of operas and, along with Steve Reich, John Adams, and Terry Riley, is one of the major American minimalists. For 10 points, name this composer of the score for Koyaanisqatsi and the opera Einstein on the Beach.
first_sentence: As an outlet for his work, this composer founded a namesake ensemble comprised of three keyboards, some winds, and a soprano who generally only sings solfege.
raw_answer:  Philip Glass [or Philip Morris Glass] 