Didi Kern Werke & Mitwirkungen 2021 COMPROVISE [#3] 1 / COMPROVISE [#3] 2 / COMPROVISE [#3] 3 / COMPROVISE [#3] 4 2020 Vienna Improvisers Orchestra: Aura 2019 Modified Grounds 2009 Fokus Philipp Quehenberger II Fokus Philipp Quehenberger I