Matisson (née Gelvan) Ivetta — violinist, violist. Studied at the Emils Darzins Music School (class of I. Abramis), but did not finish, leaving after the 10th grade in November 1983 to join her mother, Z. Leybin, in San Francisco. Studied under D. Wallerstein (first violinist of the Cleveland Quartet). Continued to develop her violin and viola playing in Salzburg. Plays in a Belgian state orchestra; performs solo concerts.