Prelude No. 19 has been up at Bridgette Mayer Gallery this month. I stopped by the other week for a FringeArts show — a dancer and 2 musicians responding improvisationally to the artwork on display — and enjoyed overhearing several audience-goers talking about my work. “Why do you think this is here?” (pointing to a particular pattern) “Maybe the colors are each a note and the boxes are rhythms.R