There are at least four groups by the name Kluster.

1) Kluster was a pioneering Krautrock band formed by luminaries Dieter Moebius, Hans-Joachim Roedelius, and Conrad Schnitzler in 1969. After three albums, Schnitzler left to pursue his own projects, and the band was renamed Cluster. Kluster has been hugely influential to any number of ambient, electronic, or experimental musicians.

They released 3 albums: Klopfzeichen (1970), Zwei Osterei (1971), Eruption (1971)

2) Kluster is the Finnish project formed in 2001 featuring accordion dynamo Kimmo Pohjonen and sampling guru Samuli Kosminen. Both musicians are known as adventurers in their respective fields and in Kluster, their partnership takes accordion music to new and unexplored territory. On stage, Kosminen reproduces samples of Pohjonen's accordion and voice percussively by way of electronic drum pads and combining that with Pohjonen's accordion, voice, live loops, effects and surround sound, they create a brain bursting maelstrom of multi-dimensional music unlike anything done or heard before. It is important to note that all sounds produced on stage and on recordings originate from Pohjonen's accordion and voice.

Kluster has collaborated with Kronos Quartet and they have also formed a quartet called KTU with Pat Mastelotto and Trey Gunn from King Crimson. Kluster also occasionally performs as a trio with percussionist Abdissa Assefa.

Album Kluster was released in February 2002.

Kluster on Kimmo Pohjonen homepage

3) Kluster is the swedish pyschedelic forest-trance project of Michael Petterson, also known as Dj eOs. Michael has been travelleing around the globe and performed in different countries since the release of his debut album Bug Fix on Digital Psionics. He's well represented on various compilations, and after meeting similar souls to his own, he's now ready to present his new album Extended Oversized System on Stoneage Records.

Homepage

4) Mexican punk rock band, broke up in 2004.

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