Twyla Tharp is an American dancer, choreographer, and author who lives and works in New York City. In 1965 she formed the company Twyla Tharp Dance, which merged with American Ballet Theatre in 1988. She regrouped the company in 1991. Her work often uses classical music, jazz, and contemporary pop music.

The Joffrey Ballet is an American dance company and training institution in Chicago, Illinois. The Joffrey regularly performs classical and contemporary ballets during its annual performance season at the Civic Opera House, including its annual presentation of The Nutcracker.