Concord Chamber Music Society’s Co-Artistic Directors-in-Waiting Daniel Chong and Jessica Bodner (well known as members of the Parker String Quartet) welcomed their “world-class friends” the Jupiter String Quartet to the Concord Academy stage yesterday afternoon by paying tribute to the foursome’s “distinctive voice.” This writer, having relished the group’s concerts since its founding in 2001 at the New England Conservatory, has been pleased to publish 19 enthusiastic Jupiter reviews, and we agree with the New Yorker that, “The Jupiter String Quartet, an ensemble of eloquent intensity, has matured into one of the mainstays of the American chamber-music scene.”