In dance, the addition of other media can overwhelm and even distract where it ought to enhance. Valerie Williams and Co’Motion Dance Theater avoid this with an ingenious trick. Created live, video recordings of dancers are displayed in layers, and at a time delay, on a screen at the back of the stage. When the delay is significant, the video acts as a duet partner for a single dancer. Other times, treated with a fairy-dust filter, one layer comes across more as the suggestion of a figure—as white noise that resembles an evaporating dancer. Or there’s an impression of many figures trying to catch the live dancer, who eludes them. Either that or she’s tried to outrun her shadow and succeeded so well that it splintered five ways.

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