For 10 points, name this American composer of a Concerto for Orchestra who died in 2012.
This composer included a Presto scorrevole movement after the second of five interludes in his twelve-movement String Quartet No. 5. This composer included "Moto perpetuo," "Saeta," and "Canaries" in a set of brief pieces experimenting with one of his signature techniques, his Eight Pieces for Four Timpani. This composer used an "all-interval tetrachord" as the basis for such works as his first string quartet. He composed a double concerto for harpsichord, piano, and two chamber orchestras. A review of this composer's Cello Sonata coined the term "metric modulation" to describe the shifts between proportional tempos in his compositions. Daniel Barenboim premiered this composer's Interventions for piano and orchestra with the Boston Symphony Orchestra at Carnegie Hall on his 100th birthday. For 10 points, name this American composer of a Concerto for Orchestra who died in 2012.
This composer included a Presto scorrevole movement after the second of five interludes in his twelve-movement String Quartet No. 5.
Elliott Carter [or Elliott Cook Carter, Jr.]