There are multiple artists using this name. 1. Mutter is a Berlin based rock band existing since 1986. 2. An American band. One song appeared on the Secret Eye sampler "For The Dead In Space" vol. II & III: Forbidden City. Members are: Bruce Kurnow (harp), Robert Powell (pedal steel), James Tomkins (guitar), Joseph Pope (bass, vocals). 3. Mutter is an electronic/black metal/doom project from Massachusetts, US. Read more on Last.fm