Violist Puts Music at Center of Her Life Violist Kallie Ciechomski, 17, is a boarding student at Walnut Hill School for the Arts in Natick, Mass. "Viola is really at the center of my life, and the school reflects that," she says. Kallie performs Johann Nepomuk Hummel's Sonata, Op. 5, No. 3, 3rd mvt. This musical segment originally aired on Oct. 18, 2006.