March 17, 18 (Sat, Sun)…”AN EVENING WITH GROUCHO”…At the Orpehum Theater in downtown Sioux Falls.  Frank Ferrante recreates his acclaimed portrayal of legendary comedian Groucho Marx.  7:30pm Saturday and 2pm Sunday.  Proceeds benefit the Black Hills Playhouse and Sioux Empire Community Theater.  ($25 adults, $10 for children. 360-4800 www.mysect.org)