Education and career
Dauner attended the Musikhochschule in Stuttgart, where he focused on composition, piano, and trumpet. In the 1960s he belonged to a sextet led by Joki Freund. As the leader of his trio, he recorded for the first time in 1964, an early session in the history of European free jazz. In 1969, he was leader and composer for Radio Jazz Group Stuttgart. A year later he started the jazz rock band Et Cetera. With Hans Koller, he began the Free Sound & Super Brass Big Band. In 1975, he was a founding member of the United Jazz and Rock Ensemble. It was a collaboration of trombonist Albert Mangelsdorff, trumpeter Ack van Rooyen, sax player Charlie Mariano, bassist Eberhard Weber and guitarist Volker Kriegel. Additionally, he worked as a composer in radio, film, and television. He composed two chamber operas.