Joel Guzman is a Grammy Award-winning accordion player who’s backed all the “big guns” including Joe Ely and Los Super Seven, but he also wears the hats of singer, songwriter, and producer. Vocalist extraordinaire Sarah Fox is his partner, while Andy Hardin, best known for his 20-plus years as Tom Russell’s sideman, is guitar player and vocalist for this unique trio. Free, 8pm, Gruene Hall, 1281 Gruene Rd., (830) 606-1281.