The Society for Non-conventional Music was founded by Milan Adamčiak, Peter Machajdik and Michal Murin in Bratislava in January 1990 as a part of the Music Association. SNEH organised festivals such as Convergences in 1990 and FIT - Festival of intermedia creativity in 1991-1992, co-organised the San Francisco Performance Art Festival in 1991, the concert cycle Musicsolarium in 1993-1994, and concert performances of Richard Teitelbaum, Transmusic comp., Hugh Davies, Phil Niblock, trio Jon Rose/Peter Hollinger/Peter Machajdík, Nicolas Collins, Phil Minton, and others. In 1995-2003, SNEH organised the Sound Off music festival. Since 1995, SNEH has published a number of publications (Avalanches 1990-1995, ed. by Michal Murin, edition G.L.A.C.I.E.S. (J. Cage, M. Feldman: Radio Happenings I – V., K Langerová: Genesis of an art sense).
Besides other artists invited to Bratislava Richard Teitelbaum (performance at the Rock Fabrik Club in Bratislava in June 1992), Phil Niblock (performance and installation at the Evenings of New Music in Bratislava in June 1993).
President: Milan Adamčiak (1990 - November 1993), Michal Murin (since November 1993).
Members: Milan Adamčiak, Peter Machajdík (moved to Berlin in 1992), Michal Murin, Peter Horváth, Olga Smetanová, Peter Martinček, Peter Cón, Zbyněk Prokop, Jozef Cseres .
Group Members: Balvan (1987 - 92), Transmusic comp. (1989-96)