Answer:
Great chamber musicians communicate and react not just by playing the correct notes, but through eye contact, body motions, sniffs, winks and all sorts of non-verbal cues.
Post-Impressionism is a term used to describe the reaction in the 1880s against Impressionism. It was led by Paul Cézanne, Paul Gauguin, Vincent van Gogh and Georges Seurat. The Post-Impressionists rejected Impressionism's concern with the spontaneous and naturalistic rendering of light and color.