Trent Nelson | The Salt Lake Tribune Pianist Vedrana Subotic and violinist Claude Halter rehearsing a Debussy sonata Wednesday July 3, 2013 for the opening concert of the Intermezzo Chamber Music Series in Salt Lake City.Trent Nelson | The Salt Lake Tribune Pianist Vedrana Subotic and violinist Claude Halter rehearsing a Debussy sonata Wednesday July 3, 2013 for the opening concert of the Intermezzo Chamber Music Series in Salt Lake City.