In another work that represents the sound of ocean waves this composer introduced secondal harmonies, which were created by striking the piano keys with the fist or forearm.
A chat between two Chinese people inspired this man's composition Amiable Conversation, and he also composed Concerto for Koto and Orchestra. His two-movement fifteenth symphony was nicknamed Thesis, and his eleventh of twenty symphonies begins by depicting a child's sleep, and was nicknamed Seven Rituals of Music. This man promoted music by his contemporaries in the periodical New Music, coined the term toccanta, and together with Leon Theremin, invented the rhythmicon. He wrote an opera based on the life of Bernardo O'Higgins, and he was inspired by William Walker's collection Southern Harmony to compose eighteen works for various instrumental combinations that are each entitled Hymn and Fuguing Tune. One work by this composer requires an assistant to depress the (*) damper pedal and begins with the performer using a finger, from low to high, to sweep the string of a piano. In another work that represents the sound of ocean waves this composer introduced secondal harmonies, which were created by striking the piano keys with the fist or forearm. For 10 points, name this pioneer of the "prepared piano" who composed The Aeolian Harp and made use of tone clusters in The Tides of Manaunaun.
A chat between two Chinese people inspired this man's composition Amiable Conversation, and he also composed Concerto for Koto and Orchestra.
Henry {Cowell}