Tummyrub is Kobus Nieuwmeijer (formerly in Fractal Fissures and The Spiritual Beating System) and various guest artists, and produce happy house, downtempo and lounge musics. Tummyrub was founded in 1989 in Bristol, UK and currently based in Winterthur, Switzerland.

Tummyrub is one of the first music bands to distribute their music freely with electronic means through Bulletin Board Systems (BBS) and FidoNet and later on the Internet. In 1990 they were one of the first to produce and compose music with Fractal geometry software, known as Fractal Music. Tummyrub has was featured in BBC 1, BBC Radio 1 and BBC Radio Oxford about their computer music. Tummyrub is dedicated to open source music and free music and all releases by Tummyrub is freely available on the Internet.