Father and son act, Generation Jones will perform traditional Celtic songs and popular rock covers starting at 3 p.m. Sunday, Aug. 12, on the patio of Standing Stone Brewing Co., 101 Oak St., Ashland. The family duo is made up of Jeff Jones on guitar and vocals and Julian Jones, 18, on fiddle and vocals. This Sunday, the pair will be accompanied by Glenn Freese on hammered dulcimer and vocals. The show is free unless you count the cost of a pint of one of the brewery’s signature ales or lagers.