A council of or with Native Americans WordNet 3.0 & Open English WordNet

A large gathering during which Indigenous songs and dances are showcased for an audience, essentially a recital or concert. Often also doubles as a fundraiser, or can be held in conjunction with a non-indigneous fair or exhibition in order to attract a large crowd, as at the Calgary Stampede and K-Days. Wiktionary

Indigenous recital or concert. Wiktionary (translation)