Water drums are a category of membranophone characterized by the filling of the drum chamber with some amount of water to create a unique sound. Water drums are common in Native American music, and in some forms of African and Southeast Asian music. A membranophone is any musical instrument which produces sound primarily by way of a vibrating stretched membrane. ... There are hundreds of tribes of Native Americans (called the First Nations in Canada), each with diverse musical practices, spread across the United States and Canada (excluding Hawaiian music). ...
Reference
Claire King. Tuning the Water Drum. From Cradleboard to Motherboard. Retrieved on January 22, 2007, 2007.</ref>
At a recent "build" they used a plastic bottle filled with water for a level, and they were forced to flatten the hut site by digging in the dirt with pointy pieces of wood and their bare hands.
Another resident from the early days of the village said the mosquitoes and ants were a problem, not to mention the scary isolation and the cold weather (this was before the huts were insulated), "but other than that it was fine," she adds with a smile.
Water inside the drum was heated through this primitive heat exchange, while water from the coil was returned to the car's radiator.