ECCO is comprised of soloists, chamber musicians, members of major American orchestras, and GRAMMY award winners. ECCO members play with the symphony orchestras of Philadelphia, Los Angeles, San Francisco, Chicago, and Boston among others. Members also play with the Daedalus, Enso, Jasper, Johannes, Jupiter, Parker, and Ying Quartets, as well as the Eroica Trio, Trio Cavatina, Sejong Soloists, Time for Three and Chamber Music Society II. For a few concentrated periods of time each year, the members of ECCO meet for rehearsal and musical exploration. Cooking, eating, and enjoying close friendships are always an important aspect of ECCO gatherings. Along with musical exploration, there is always an intense discussion to be had about the joys and challenges of maintaining a truly communal creative organization.