I'm interested in both electronic-generated music using modern technologies, and in primitive musical instruments that exploit the very basic laws of acoustics. I try to make them converge in my practice as a musician as well as in my instruments-making.
Recently I've read on a book that the Bullroarer is one of the oldest instruments used by humans to produce sounds.

We decided to make one and this is the result.
Sergio cut the fish-shaped thing from chipboard wood and shaped its edges to an airfoil.

Barbara decorated the surface with patterns inspired by aboriginal artworks.

Il looks great and makes a nice roaring sound.

To make it play great, you have to find the optimal rope lenght and thikness, by trial and error.

A small, portable drone generator that requires no batteries!

 Make it turn!