Harry Partch was an American composer and instrument creator. He created some truly unique compositions, due to his invention of the Harry Partch 43-tone scale, as well as several magical sounding new instruments with which were to be performed with his compositions.
Here is a couple of them:
The Quadrangularis Reversum:
The Bamboo Marambas:
The Gourd Tree:
This is the only video I could dig up - it's an interesting piece but by absolutely no means his best work. PM me for some concerts.