About 105th Annual Mashpee Wampanoag Powwow...he Powwow is a traditional celebration of Mashpee Wampanoag culture, featuring Native American dancing, drumming, games, food, art, jewelry, wampum, gifts, crafts and clothing. Three days of solemn, spiritual, and festive events include traditional ceremonies, tribal drumming, dance performances, Native American handcrafts and cuisine, and musical performances by the Wampanoag Nation Singers and Dancers.