Marsha’s Music Halloween Fam Jam. 4-5:30 p.m., Joan’s Studio for the Performing Arts, 1438 E. 57th St., 773-288-3815, marshasmusic.com, $10 general admission, $15 families. Family musicmaking, crafts and refreshments. Buy advance tickets by calling 773-288-3815 or at www.marshasmusic.com. All proceeds support Marsha’s Music Scholarship Fund.