Changing Spirit - Дуэт гидравлофона и скрипки

Гидравлофон - Райан Джанзен (Ryan Janzen Скрипка - Колин Майер (Colin Maier) Performing Changing Spirit of an Oxbow Lake. Ryan Janzen on Hydraulophone and Colin Maier on Violin. Hydraulophone invented by Steve Mann and shot at the greenhouse of the U of T Faculty of Forestry.