Task: Text Categorization
Input (English): Jam" is a movement from his composition Music for a Great City, and "The Promise of Living" is the finale of his opera The Tender Land. A solo trumpet plays the tune "El Mosco" in his orchestral work El Salon Mexico, and lines from the Gettysburg Address conclude his Lincoln Portrait. This author of What to Listen for in Music included the section "The Open Prairie" in his ballet about a titular outlaw. In addition to composing Billy the Kid, he was commissioned by Martha Graham to write the music for a ballet that features the "Simple Gifts" melody. For 10 points, name this composer of Fanfare for the Common Man and Appalachian Spring.
Output (English): Fine Arts