For 10 points, name this composer who created the work Fanfare for the Common Man and worked with choreographer Martha Graham on Appalachian Spring.
This man reworked a piece he wrote for Eugene Goossens into a finale for his third symphony. This man composed a work based on a visit to a dance hall with Carlos Chávez that incorporated Mexican folk music, his El Salon Mexico. He composed the score for a work that follows newlyweds on the (*) frontier, incorporating the Shaker hymn "Simple Gifts." For 10 points, name this composer who created the work Fanfare for the Common Man and worked with choreographer Martha Graham on Appalachian Spring.
This man reworked a piece he wrote for Eugene Goossens into a finale for his third symphony.
Aaron {Copland}