Chamber Music Northwest Summer Festival presents the Viano Quartet performing works by Bartók, Smetana and the world premiere of 24-year-old Iranian-American composer Kian Ravaei’s new string quartet. The concert is from noon to 2 p.m. July 25 at Lincoln Performance Hall, 1620 S.W. Park Ave., Portland. Learn more about the festival and get tickets ($10 to $62.50) at cmnw.org/concerts-tickets/2023-summer-festival.