For 10 points, name this American composer of Fanfare for the Common Man and the ballet Appalachian Spring.
One work by this composer in the twelve-tone method uses only ten notes for the tone row and the other two notes for cadences. This composer of Piano Fantasy was commissioned by Benny Goodman to write a clarinet concerto. Another work by this composer that is scored for only brass and percussion begins with the ascending notes G C G played by trumpets. Martha Graham choreographed a work by this composer that includes the Shaker hymn "Simple Gifts" and centers on newlyweds in Pennsylvania who build a house. For 10 points, name this American composer of Fanfare for the Common Man and the ballet Appalachian Spring. 
One work by this composer in the twelve-tone method uses only ten notes for the tone row and the other two notes for cadences.
Aaron Copland 