The folk trio 3 Ravens will come to roost with musical tales told in imaginative ways at the Chocolate Church Arts Center Annex at 7:30 p.m. Saturday, March 3.  The Annex is at 804 Washington St., Bath. The trio members are Max Cohen, Lui Collins and Donna Hebert, who will appear as part of the Winter Concert Series. The trio crafts an evening out of their originals, instrumentals and traditional songs, as well as poetic verses set to music. Tickets are $20 advance and $23 at the door, available by calling the box office, 207-442-8455, or online, www.chocolatechurcharts.org.