Karl Bartos (born 31 May 1952) is a German musician and composer known for his contributions to the electronic band Kraftwerk. Karlheinz Bartos was born on 31 May 1952 in Marktschellenberg, Germany, named after his grandfathers Karl and Heinz. He was the drummer in a college band called The Jokers (later The Jolly Jokers in 1975) as Carlos Bartos, around 1965 to 1975. Between 1975 and 1990, he was, along with Wolfgang Flür, a member of the electronic music band Kraftwerk. This lineup of the gro ...