Two Pairs of Tickets, Four Total, to Chamber Music Society of Lincoln Center on February 8 or February 12: February 8 program: Benjamin Franklin's string quartet, Amy Beach piano quintet and more. February 12 concert includes Bernstein clarinet Sonata and the World Premier of Joan Tower's Quintet for winds and piano titled "A Gift." Concerts are at the Ethical Culture Society on Central Park West and 67th Street.