Earliest forms of theater/rituals
1. Mayvanuvanua (Batanes) - fishing season of dibang (flying fish)
2. Cañao or Kanyaw (Cordillera Administrative Region) - officiated by a shaman or mumbaki, animal sacrifice with divination
3. Kashawing (Lake Lanao of Mindanao) - ritual for abundance during rice planting and harvesting
4. Tagbanwa (Palawan) - shamans go into a trance amidst ritual chanting and dancing