[4] The group's 2004–2005 season culminated with a 45-city U.S. and European tour with the rock musicians Joe Jackson and Todd Rundgren, which included an appearance on Late Night with Conan O'Brien.
[7] Months later, they offered another large scale performance, Wait for Green, presented by World Financial Center in the Winter Garden with choreographer Annie-B Parson.
[9] They performed at Lincoln Center Out of Doors in the summer of 2010, collaborating with Juana Molina, Dayna Kurtz, Tom Verlaine, Patrick A. Derivaz, Mike Viola and Adam Schlesinger.
[11][12] In 2002 the string quartet founded Ethel's Foundation for the Arts, a nonprofit organization with a mission to support contemporary concert music with collaborative projects, commission of new works, and educational outreach.
[21] In July 2016, Denison University announced that all four quartet members (Farris, Jones, Lawson and Lee) will receive honorary degrees, Doctor of Humane Letters, honoris causa.