 Formed in 1994 by Ganatra and Vamos with violinist Sibbi Bernhardsson and violist Kathryn Lockwood, the group won prizes in competitions such as the 1996 Coleman Chamber Music Competition, the 1997 Concert Artists Guild Competition, and the 1998 Naumburg Chamber Music Competition.In 2001, violist Masumi Per Rostad replaced Lockwood.The group subsequently received Chamber Music America's prestigious Cleveland Quartet Award in 2002, the Avery Fisher Career Grant in 2006, and was named "Ensemble of the Year" by Musical America in 2009.