UpcomingThursday, Feb. 22David Polansky performance: 3:30 p.m., Wingate Residences at Boylston Place, 615 Heath St., Brookline. Free; space limited. For information or RSVP: 617-244-6400. An accomplished musician, Polansky entertains audiences of all ages with a program that mixes music, humor, wit and sensitivity.NT Live: “Cat on a Hot Tin Roof:” 7 p.m., Coolidge Corner Theatre, 209 Harvard St., Brookline. Cost: $20-$23.