For 10 points, name this American composer of Porgy and Bess and Rhapsody in Blue.
This composer's symphonic tone poems include one originally named Rumba and another that featured taxi cab horns in its premiere at Carnegie Hall. This composer of Cuban Overture and An American in Paris also wrote an opera set in Catfish Row that features the songs "It Ain't Necessarily So" and "Bess, You Is My Woman Now." For 10 points, name this American composer of Porgy and Bess and Rhapsody in Blue.
This composer's symphonic tone poems include one originally named Rumba and another that featured taxi cab horns in its premiere at Carnegie Hall.
George {Gershwin} [or Jacob {Gershowitz}]