Is it possible to do a double-take with your ears? You’ll find out the first time you hear Sean Rowe sing. Damn, this guy’s got it — a baritone to die for and the ability to write and perform literate and powerful indie-roots music. Where else but The Oak and the Ax (140 Main St., Biddeford), with Portland gypsy-jazz fusion group The Burners opening at 8 p.m. Tix: $8 (all ages). theoakandtheax.com.