Spiral illusion

Spiral illusion combined with 2 bass guitars

On the outer edge of the spiral 5 plectrums point out, striking the 2 custom built bass guitars in a hypnotizing rythm.

At the Oerol festival in collaboration with Marjon Duits and Jurtko Moerbeek:

 

 

More info on the spiral effect: https://www.michaelbach.de/ot/mot_adaptSpiral/index.html

https://marjonduits.blogspot.com

https://www.oerol.nl/nl.aspx