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Max E Keller
Born: 19th March 1947, Aarau, Switzerland
Nationality: Swiss
Max Eugen Keller is a Swiss composer, jazz pianist and improvising musician. He was one of the first free-jazz musicians in Switzerland. Since 2007 he is chairman of the Swiss Society for New Music.
Read more at https://en.wikipedia.org/wiki/Max_E._Keller
