Ballet in one act with choreography by Balanchine, music by Tchaikovsky, costumes by Karinska, and lighting by Rosenthal. Premiered 1 Mar. 1956 by New York City Ballet at City Center, New York, with Maria Tallchief and Magallanes. This virtuoso setting of Tchaikovsky's 3rd Piano Concerto, Op. 75, is for one lead and four supporting couples, and has been taken into the repertory of many companies, including Sadler's Wells Royal Ballet (1973), San Francisco Ballet (1979), Royal New Zealand Ballet (2004), and Christopher Wheeldon's Morphoses (2007).