Arizona Repertory Singers

A Musical Mosaic, a concert combining classical compositions by Mendelssohn, Whitacre and Stroope with more-contemporary works by Cole Porter and Andrew Lloyd Webber, takes place at 2 p.m., Sunday, April 22, at St. Thomas the Apostle Parish, 5150 N. Valley View Road; and at 3 p.m., Sunday, April 29, at Christ Church United Methodist, 655 N. Craycroft Road; $15. Visit arsingers.org for tickets or more information.