Fronted by siblings Zak and Lena Kendall, GoldenOak’s rich folk-influenced harmony has an energetic intimacy. The Maine-based band’s music is rooted in the natural landscape, and rounded out by up-right bassist Mike Knowles and Drummer Jackson Cromwell. Tickets: $15/Advance, $18/Day of Show. FMI: Strand Theatre, 345 Main St., Rockland; (207) 594-0070; RocklandStrand.com.