Awarded sound artist and composer Kaffe Matthews was born in Essex, England and lives and works in London.  Since 1990 she has made and performed new electro-acoustic music worldwide with a variety of things and places such as violin, theremin, wild salmon, Scottish weather, NASA scientists, bicycles, hammerhead sharks, school children, desert stretched wires and the BBC Scottish Symphony Orchestra. Currently she is introducing and internationally developing bicrophonics ~ interactive composition for outdoor enjoyment with bicycles through the Bicrophonic Research Institute(BRI).

Since 2012 Matthews has made ten sonic bike operas for Belgium, Portugal, Germany, Texas, Finland and the UK. In  2014 she established the BRI to collectively develop and share bicrophonics.