Southern Midcoast Maine Chamber issued the following announcement.
LUMINOUS DARK—A Winter Solstice Celebration of Music and Light
December 21, 2018
Performances at 5:30 and 7:30
Cathedral Church of St Luke’s-State St, Portland ME
Northern Lights Chorale of Maine presents a winter holiday concert within the intimate Emanuel Chapel at the Cathedral Church of St. Luke's in Portland. Joined by Bare Portland,a performance collaborative group, the concert will feature transcendent music that celebrates the shortest day of the year with light emerging from darkness."
Original source can be found here.