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Mount Sims (also Mt. Sims) is the stage name of Matthew Sims, a Berlin-based American DJ, performance artist and producer. A native of Milwaukee, Wisconsin, Sims began his career in the local music scene there. Sims was involved in several groups, the most notable of which was Citizen King, an Alternative Rock band famous for their 1999 hit "Better Days (And The Bottom Drops Out)", which reached #25 on the US Billboard Hot 100 chart. However, Citizen King would not see any further success, and was disbanded by 2002. Around the same time Sims relocated to Los Angeles, where he continued his music career as a solo artist. Starting Mount Sims as a purely electronic music act, later releases have also shown influences from post punk, new wave, and darkwave. Sims is almost exclusively responsible for every aspect of his music, providing vocals, instrumentation, and production. He was originally supported by two dancers, whereas the last incarnation under the altered spelling Mt. Sims was a three-piece band that included Rand Twigg on bass and Andre Lange on drums.
His first album, "Ultra Sex" (2002/International DeeJay Gigolo Records (Europe) and Emperor Norton Records (USA)), was released to good reviews. It was influenced by German and British New Wave bands, funk, and electronica. It was a concept album that focused on the themes of technology and sexuality. The album contains the tracks "How We Do" and "Rational Behaviour."
Mount Sims' second album "Wild Light" (2005/International Deejay Gigolo) is a much darker album than the previous release. Its themes are death and information. Major musical influences are darkwave and post punk. David J. of Bauhaus played bass on some of Wild Light's songs. Roger Joseph Manning, Jr. was responsible for some of the synth production. It contains the songs "No Yellow lines," "Lights on," and "Restless," a single featured in Amped 3.
Mount Sims is responsible for Madonna's remixes of her song "Nobody Knows Me," from her 2003 album American Life, in which he was noted to time compress a speech by Charles Manson in order to construct different electronic drums, which he then placed in the remix.
Mt. Sims' third album "Happily Ever After" (2008/Hungry Eye Records) continues on the influences of the previous release with its themes focusing on obsession, isolation, horror, and madness. It was produced by Thomas Stern of Crime & the City Solution and features guest appearances by Jessie Evans (formerly of Subtonix, Autonervous, and The Vanishing), Toby Dammit (Swans, The Residents, and Iggy Pop), and Bryan Black (Motor). The album artwork was created by Peter Wu with layout by Dez of Crossover.
It was also in 2010 that he collaborated with Warp Records artist Leila for her album U&I, of which he contributed his voice to her electronic compositions.
- Ultra Sex (International DeeJay Gigolo Records) (2002) Allmusic
- Wild Light (International DeeJay Gigolo Records) (2005)  Allmusic
- A Grave EP (Hungry Eye Records) (2009)  Allmusic
- Happily Ever After (Hungry Eye Records) (2009)
- Happily Ever After...Again (Hungry Eye Records) (2010)
- Tomorrow, In a Year (with The Knife and Planningtorock) (Rabid Records) (2010)
- Appears on
- With Citizen King