I came across the link below describing his feedback techniques with his microphone. Like it or leave it - major kudos to him building an entirely bespoke instr

I came across the link below describing his feedback techniques with his microphone. Like it or leave it - major kudos to him building an entirely bespoke instrument ecosystem. http://www.jaysmuseum.com/freako%20insrto%20pages/web%20jackpack.htm http://www.jaysmuseum.com/freako%20insrto%20pages/web%20jack...