7Days: Regional arts and entertainment, by Michael Harrington Seven Days

Sunday Chamber music The excellent Pyxis Piano Quartet plays works by Pedro Tintorer, Alexander Tansman, and Robert Schumann at 3 p.m. at the German Society, 611 Spring Garden St. Tickets are $20. Call 215-627-2332. . . . Trio Cleonice plays works by Richard Wernick, Carl Czerny, and Schumann at 3 p.m. at St. Mary's Episcopal Church, 104 Louella Avenue, Wayne. Tickets are $20; $15 seniors. Call 610-649-2517.