Albuquerque Baroque Players - Performances of 17th and 18th century Renaissance music; Viola da Gamba, Harpsichord, Baroque Oboe, Recorder, Baroque Violin. Schedule and contact information.
Altramar - A medieval music ensemble which shares historical repertoire as lived experience. Its performances are a synthesis of song, story, voices and instruments.
The Antiquarian Funks: Early Baroque Music - Based in Santa Cruz, California, they specialize in performances of rarely heard music from the Renaissance and Early Baroque.
BaschenisDotOrg - Concerts of Early Music - The Association's vast repertory ranges from a duo for voice and lute to the Ensemble Salomone Rossi which has a specialized interest in the repertoire of Jewish music from the Baroque period.
Beltway Early Music Band - Band performs Renaissance, Medieval, Celtic, Folk on period instruments: includes drawings and descriptions of instruments; schedule, biographies.
Boston Camerata - Medieval and Renaissance music; medieval cantigas of King Alfonso el Sabio. Vocal and instrumental; schedule, CDs.
Burney Ensemble - Performances of Baroque and Rococo music, including anecdotes and commentary by contemporaneous writers; based in Vancouver. Events schedule, contact information.
Calliope Productions - UK collective of cutting-edge early music groups - medieval, early and world music.
Camerata Hungarica - Hungarian ensemble directed by László Czidra.