FM Einheit (also known as F.M. Einheit, FM, Mufti, real name: Frank Martin Strauss, born December 18, 1958, in Dortmund) is an industrial and electronic musician from Germany.
While primarily known for his percussion work with the influential industrial group Einstürzende Neubauten, he has also collaborated with KMFDM, Pigface, Goethes Erben and recorded several albums in collaboration with other musicians (such as Andreas Ammer, Ulrike Haage) and solo. FM Einheit was also involved into the projects Stein and Gry.

Early years
In the late 1970s and early 1980s he was also a member of the punk bands Abwärts from Hamburg and Palais Schaumburg.
In the early 1980s he joined Einstürzende Neubauten as a percussionist and became a long-time band member. Most of the percussions which FM Einheit played on were self-made metal instruments or such tools as a hammer drill. FM Einheit contributed a lot to the sound of the band.
Live performances of Einstürzende Neubauten with FM Einheit included lots of metal banging, destruction on the stage and even fire. These shows became legendary and influenced the band image.

1990s - 2000s
In the 1990s he was also a member of a band Stein, also featuring Ulrike Haage and Katharina Franck from the band Rainbirds.
FM Einheit left Einstürzende Neubauten in the middle 1990-es during the work on the album Ende Neu, probably due to the strong disagreements with the band's leader Blixa Bargeld.
One of his major projects after Einstürzende Neubauten was a band Gry with a female singer Gry Bagøien from Denmark. They released two albums: Touch of E! (1998) and Public Recording (2000, featuring Pan Sonic and Neubauten's Alexander Hacke)
FM Einheit is also involved in theater works.
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