Mike Krol.

Tuesday, August 6

Acclaimed Maine singer-songwriter Emilia Dahlin plays a free show in Portland’s downtown Lincoln Park at 6 p.m. lovelincolnpark.org. Legendary folk troubadour Ramblin’ Jack Elliott is at One Longfellow Square (181 State St., Portland) at 8 p.m. Tix: $25 (all ages). 761-1751. onelongfellowsquare.com. And punk-rock auteur Mike Krol turns it up at 3S Artspace (319 Vaughan St., Portsmouth), with Swearin’ and Notches opening at 8 p.m. Tix: $13-$15 (all ages). 603-766-3330. 3sarts.org.