On Sunday, December 12, at 4pm, Blue Hill Bach presented a sold-out holiday concert by Orono’s chamber choir EUPHONY at the St. Francis by the Sea Episcopal Church in Blue Hill. Under the direction of Francis John Vogt, music included J.S. Bach’s Cantata BWV 61, Nun komm der Heiden Heiland, along with traditional and contemporary carols and spirituals.  Soloists included Mari Smith, Eli Smith, Brooke Pietri, and Ryan Conway, and the group was accompanied by a string ensemble and keyboards played by Laura Artesani.