Triumvirat was a German progressive rock trio that formed in 1969 in Cologne, Germany. The founding members were: keyboardist/composer Hans-Jürgen (later simply Jürgen) Fritz (born March 13, 1953), drummer/lyricist Hans Bathelt, and bassist Werner Frangenberg.Triumvirat is the Latin word for a triumvirate, a grouping of three powerful men, thus referring to the musical trio.