Performer Regina Marie Williams prepares for a production at Mixed Blood Theatre with her vocal coach Nancy Grauff. Glass artist Fred Kaemmer capitalizes on the interior of a freshly blown vessel as a decorative surface. Bridget O’Malley and Amanda Degener of Cave Paper share a passion for crafting handmade paper. And bluesman Alex “Crankshaft” Larson and his band The Gear Grinders perform at First Avenue.