Bach's St. John Passion is presented at 7:30 p.m., Friday, Feb. 28, at Valley Presbyterian Church, 2800 S. Camino del Sol, Green Valley; 7:30 p.m., Saturday, March 1, at Catalina Foothills High School, 4300 E. Sunrise Drive; and 3 p.m., Sunday, March 2, at Grace St. Paul's Episcopal Church, 2332 E. Adams St.; $25 to $40. Visit tucsonchamberartists for reservations and program details.