Monadnock Music will present “Memory and Transformation,” a free classical concert featuring works by living composers, at 4 p.m. Saturday, Aug. 1, at the Mariposa Museum. Rafael Popper-Keizer Credit: Courtesy Molly Herron Credit: Courtesy Yeolim NamCredit: Courtesy Clara Lyon Credit: Courtesy Anna Griffis Credit: CourtesyThe 45-minute program features Swedish composer Andrea Tarrodi’s String Quartet No. The ensemble features Monadnock Music Director Rafael Popper-Keizer on cello, alongside violinists Clara Lyon and Yeolim Nam, and violist Anna Griffis. Following the free concert, Monadnock Music will host a ticketed Summer Supper Club dinner at 6 p.m. at a private residence in Peterborough. Supper Club tickets are $100 per person, or $85 for Monadnock Music members.