This year’s 16th Summer Chamber Music Weekend with Roy Bogas and Friends feature Roy’s core group consisting of violinist Cordula Merks (concertmaster of the San Francisco Ballet Orchestra and assistant concertmaster of the Seattle Symphony) violinist Amy Hiraga, violist Nancy Ellis, and cellist Peter Wyrick, all three members of the San Francisco Symphony where Peter Wyrick is Associate Principal Cellist. Saturday, July 7, and Sunday, July 8 at 4:00pm at Coleman Hall.