Karl Mueller ( born July 27, 1963 in Minneapolis, † June 17, 2005 ) was an American rock musician. 1983 Mueller was a founding member and bass guitarist of the grunge band Soul Asylum, with whom he celebrated international success in the early 1990s. Previously, Mueller had founded together with the Soul Asylum members Dan Murphy and Dave Pirner 1981, the punk band Loud Fast Rules.
In May 2004, Mueller was diagnosed with throat cancer. Subsequently, numerous benefit concerts were organized in order to ensure Mueller's medical treatment. When rock -For- Karl- concert on October 23, 2004 in Minneapolis, there was a reunion of the band Hüsker Dü, for together with Soul Asylum and the Replacements, whose planned reunion did not come into existence for the occasion, the mid-1980s for attention alternative music from Minneapolis had provided. In addition, organized by Jay Farrar Mound City Music Fest took place on 11 December 2004, to raise funds for Mueller and the hepatitis C infected Alejandro Escovedo. On this occasion there was a reunion of the Americana band Son Volt.
Soul Asylum began before the discovery of the disease with the work on a new album, cooperated with the Mueller during the current cancer therapy. On 17 June 2005 he died at the age of 41 years of his illness. The Silver Lining was published posthumously in 2006.