Claudia Schmidt, a powerful vocalist and adventurous artist who combines lively folk, jazz and blues with rich poetry and playful humor, will appear at The Ark at 8 p.m., October 7, 2023, with Rachael Davis. Together, they span generations of music making. She says, “Rachael is a bold explorer in the undefined and powerful territory of her primary instrument—her own human voice—and the stories that come through it.”