Robert Landfermann is a master of free improvisation and an explorer of extended playing techniques on the double bass. I had a lesson with him and learned some techniques. How they do sound with effects? Well, this is the matter of this morning jam. And, yes, it is supposed to sound like noise. Not that it is my new favourite sound, but like ginger, it can be an essential spice.

here is a link to my questions and findings of the session I had with him