Task: Text Categorization
Input (English): This composer used the four-note motif E-C- D-sharp - C-sharp as the basis for his Piano Variations, and in another of his works the trumpet quotes the popular song "El Mosco. " He recast his Short Symphony as a much more popular sextet, and James Agee's Let Us Now Praise Famous Men inspired him to team up with librettist Horace Everett to write the opera The Tender Land. Besides the aforementioned El Salon Mexico, He only used 13 instruments in a ballet set in western Pennsylvania, and another of his works features a narrator speaking over the orchestra with the refrain "that is what he said. " For ten points, name this American composer of Lincoln Portrait and Appalachian Spring.
Output (English): Fine Arts