They dance to a taped score that Ms. Childs said seems to explore the inner workings of the piano.

They danced to a commissioned score by Glen Velez.

It was danced to a shimmering score composed by Sarah Peebles.

"Prone" is danced to a commissioned score by Zeena Parkins, performed live.

Ms. Hay has described the full-evening solo, danced to a score by Ellen Fullman, as the story of a previous longer group dance.

"Homeward," danced to a score by Ben Johnston, is both more and less daring.

Danced to a wonderfully gooey ballet score by Delibes, the duet is all pizzicato and candied violet.

"Double Exposure," danced to a driving score by Robert Ruggieri, was dressed up in high-tech trappings that often seemed pointless.

"Memory" will be danced to a barely audible recorded score by a West German composer known as Deuter.

Moreover, the prologue in front of the fake and fractured curtain is danced to an original score by Mr. Colombier.