Festival built around professional performers from around the world who grew up in Oregon's Willamette Valley. 2011 theme: 11 string quartets in festival's 11th year. Opening concert premieres new quartet by Tomas Svoboda, commissioned by Chintimini Festival. Concerts June 17, 21, 24, 26 are at Congregational Church, 4515 SW West Hills Rd., Corvallis, OR, 97333. Two dramatic performances for children June 22 at Corvallis-Benton County Public Library. Final concert June 28 at Corvalis High School Theater, 1400 NW Buchanan, features Stravinsky L'histoire du soldat, narrated by David Ogden Stiers.