provincetown, provincetown art, provincetown workshops, hans hoffman, cape cod, cape cod art, cape cod artist, new england art, charles hawthorne, provincetown arts, outer cape, truro art classes, art workshops, museum school, accredited art courses, summer workshops, kids art classes, kids art , weekly art classes, contemporary art, museum exhibition, fine art, fine arts, painting class, new england museum, childrens art, provincetown print, provincetown artist, new england art, art auction, art class