The Tucson Chamber Artists perform American folk songs, African-American spirituals and works by America's leading composers at 7:30 p.m., Saturday, Oct. 10. The performance repeats at 2 p.m., Sunday, Oct. 11, at the UA's Holsclaw Hall (1017 N. Olive Road.). $15 to $25; $10 for college students; and free for K-12 students. Call 401-2651 or visit www.tucsonchamberartists.org for more information.