Boulder Bach Festival is set to present a double bill of Zachary’s Carrettín’s arrangement of Handel’s “Messiah” and Arcangel Corelli’s “Concerto Noel” at the Broomfield Auditorium in Broomfield, CO on Dec. 17 and 19. This unique arrangement of “Messiah” will be performed with one-per-part by instrumental and vocal soloists. Carrenttín will lead the COmpass REsonance (CORE Ensemble) featuring soloists soprano Mara {…}