] His instrument, an electric concert guitar, is the result of several years of development in cooperation with Stevens Custom Guitars and Huber Amps. Though similar in size to a classical concert guitar, it is made to sound like a warm electric guitar, but with a broader spectrum of harmonics at higher frequencies. It also offers the option to create real 5.1 surround sound opening up the guitar towards sound art and installation emphasizing the spatial and sculptural aspects of sound.