Mr. December is a Folk-Stomp band from Sonoma County, CA, with Jimmy Horn on ukelele & banjo, Andy Tester on upright bass, Jesse Shantor on saxophone, Scott Knippelmeier on trombone and multi-instrumentalist Marco D’Ambrosio on trumpet and keyboards. Blending sounds of old-time, rag, bluegrass, swing, country and folk, colored with a punk rock edge, Mr. December brings a unique flavor to the Sonoma County Roots/Americana scene.