- Music by: Vittorio Rieti
- Choreography by: George Balanchine, staged by John Taras
- Principal Casting: 10/5 Taylor, Marcovici, Arthurs (replaces Ringer), Ramasar, Isaacs, Villwock, Alberda, *Ippolito, *King, Carmena, Ulbricht
10/9 Taylor, Marcovici, Arthurs (replaces Ringer), Ramasar, Isaacs, Villwock, Alberda, Ippolito, King, Carmena, *Schumacher
10/11, 10/12 *Hyltin, R. Fairchild, Arthurs, J. Peck, *Adams, Brown, Laurent, Prottas, *Lovette, Hall, Schumacher
*first time in role
Deceit, desire, and death shadow La Sonnambula's aristocratic masked ball, entertaining with its fanciful divertissements and haunting with the image of a somber sleepwalker and the tragedy following in her wake.