Johannes Bergmark makes surrealist musical object theatre, usually with an evolutionary meta-instrument or amplified stage called the Platform, with selected found objects as sound sources. Being a frequent visitor to Berlin, he lives in Stockholm, sometimes leading workshops about inventing instruments, writing, inventing instruments and has a fondness for unusual ones such as the singing saw.
http://bergmark.org

Image credit: At Colour Out Of Space festival, Old Market, Brighton, November 2011. Photo © by miss e kawasaki.
Hi resolution image can be found on: http://www.flickr.com/photos/missekawasaki/6355260679/sizes/l/