SOUND AND SILENCE (2022)

ZUVERSICHT (2021)

PATHS OF LIFE (2020)

BEING THERE (2016)

GUETS NEUS (2011)

LUMINAWA (2009)

JOHLE UND WERCHE (2006)

DER DIPLOMAT (2003)

ON A CLEAR DAY – AGNES MARTIN (2002)

BEGINNING ANEW (2000)

STEPS OF MINDFULNESS (1999)