Fractal Harp
jaysmuseum.comSounds great; didn't find out what he uses to control the solo sound with his voice/microphone.
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%20jack...
That sounds plausible to me, thanks for the hint.
Still wrapping my head around this as as a bass player...
His cover of We Can Work It Out blew me away. Highly enjoyably to watch and listen.