A Romp Through the Barn

Alastair Macaulay for The New York Times

How many layers are there to human thought? Sometimes in art, just as in people’s conversations, we’re aware of only one at a time. On other occasions, though, we realize just how many layers can be in simultaneous action, and we’re given a sense of both revelation and mystery. When a choreographer responds to music — when one artist reacts in detail to another — the sensation of multilayering can affect us as an insight not just into dance but into the regions of the mind.