Grunt is noise. Radical sound generated with the use of sensors, a physical show of nihilism and negativism. All the music is created live on stage during spectacular performance. Fluently operating radical electronics Grunt from Finland started functioning in 1993. Mikko Aspa has travelled almost everywhere around the world with his horror show. Masked musicians use their own bodies as sources of noise. They turn their dynamic shows into w dark, squalid rites. Special microphones are used as a tool of phonic attack. Grunt' actions go under the slogan: no limits, no brakes. Mikko Aspa is an active scenester among power electronics, noise, industrial. A distributor, a publisher of Special Interests zine and a propagator of extreme electronism. His continuous activity resulted in editorial documentation of a good deal of volumes, demonstrating what was mentioned above.