Karl Hans Berger (March 30, 1935 – April 9, 2023) was a German-American jazz pianist, vibraphonist, composer, and educator. He was a leading figure in jazz improvisation from the 1960s when he settled in the United States for life. He founded the educational Creative Music Studio in Woodstock, New York, in 1972 with his wife and Ornette Coleman, to encourage international students to pursue their own ideas about music. Wikipedia
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