Music: Frederic Chopin: Nocturne Opus 27 No. 1 (1835); Nocturnes Opus 55, No. 1 and No. 2 (1843); Nocturne Opus 9 No. 2 (1830-1).
Choreography: Jerome Robbins.
Premiere: on January 29, 1970 by the New York City Ballet in New York (State Theater, Lincoln Center).
Dancers at the premiere: Kay Mazzo, Anthony Blum, Violette Verdy, Peter Martins, Patricia McBride, Francisco Moncion.
In the repertory of the Paris Opera Ballet since 1989 (premiered by Monique Loudières, Jean-Yves Lormeau, Isabelle Guérin, Laurent Hilaire, Jean Guizerix, and perhaps Claude de Vulpian).