Karl Berger is dead, who was everything possible: pianist, vibraphonist, composer, music teacher. Above all, however, he was one of the pioneers who emerged from the 1960s jazz created a new world language that was no longer concerned with origins, forms or styles. For him, the set of rules of European music theory, with its harmonic system and well-tempered tones, was just a cultural construct. One of many to build on. From Don Cherry he had learned that in the early 1960s, and from Ornette Colemanthe then young rebels of jazz, who became his companions.