Corroboree

n.
  1. A nocturnal festivity with which the Australian aborigines celebrate tribal events of importance. Symbolic dances are given by the young men of the tribe, while the women act as musicians.
  2. A song or chant made for such a festivity.
  3. A festivity or social gathering, esp. one of a noisy or uproarious character; hence, tumult; uproar.