The Southern Arizona Symphony Orchestra performs with Miroslava Panayotova at 3 p.m., Sunday, March 29, at St. Andrew's Presbyterian Church, Southwest Sanctuary (7575 N. Paseo del Norte. 323-7166); and at 3 p.m., Sunday, April 5, at Saddlebrooke Desert View Performing Arts Center (39900 S. Clubhouse Drive. 825-5318; tickets.saddlebrooketwo.com). $20 per concert; free for age 17 and younger. Call for more information.