Thomas Kovachevich’s performances are rehearsals for his paintings. The defining process of both is the response of paper to hydrologic principles—how circles, squares, or triangles cut out of tracing paper react to humidity, temperature, and other atmospheric conditions. In the performances Kovachevich places his geometric characters onto a bright-colored fabric “stage” draped across the surface of the water that fills a shallow tray. Once the pieces of paper touch the stage they dance, curl, sway, bend, and swoon in choreographed pieces given such titles as Is it a solo or a duet? and Two