Each concert is performed twice: Saturday at 7:30 p.m., at DesertView Performing Arts Center, 39900 S. Clubhouse Drive; and 3 p.m., Sunday, at St. Andrew's Presbyterian Church, 7650 N. Paseo del Norte. Tickets at DesertView are $23, $21 advance; tickets at St. Andrews are $20, free age 17 and younger. Saturday and Sunday, Feb. 23 and 24: works by Richard White, Hindemith and Mahler, featuring Christi Amoson, soprano, and a female quartet. Visit sasomusic.org
for tickets and more information.