“Lady Bird.”

Tuesday, January 16 

Writer and first-time director Greta Gerwig’s Lady Bird is that rare and precious comedy set in the real world of economic stress and actually impossible dreams; nevertheless, it’s hilarious. It shows at Frontier (14 Maine St., Fort Andross, Brunswick) Jan. 12 through 18; today at 3 p.m. and 7 p.m. Tix: $7-$9 ($8 seniors and students; rated R). 725-5222. explorefrontier.com. And at One Longfellow Square (181 State St., Portland), the virtuoso acoustic-guitar duo Grant Gordy and Ross Martin play astonishing instrumentals that draw on jazz and bluegrass and take both beyond at 8 p.m. Tix: $15 (all ages). 761-1751. onelongfellowsquare.com.