Sally Harrington, known professionally as Sara Leland, was an American ballet dancer and répétiteur. She started her career with the Joffrey Ballet in 1959, and was recruited to join the New York City Ballet by George Balanchine in 1960. She was promoted to principal dancer in 1972, and created roles for both Balanchine and Jerome Robbins.

Dances at a Gathering is a ballet choreographed by Jerome Robbins to music by Frédéric Chopin, with costumes designed by Joe Eula. The ballet premiered on May 22, 1969, at the New York State Theater, performed by the New York City Ballet.