Hydraulophone
The hydraulophone is basically an organ powered by water or other liquids. It was invented and named by Steve Mann. The instrument has several holes, and the sound producing mechanism emanates music when the water flow through one hole is blocked.
Branching Corrugahorn
This experimental musical instrument was invented by Bart Hopkin. It is made from flexible corrugated pipes, which are normally found in hospitals or workshops. The Branching Corrugahorn consists of a mouthpiece and several corrugated pipes of varying lengths.
