1989 release ** Heupel studied flute at the Cologne University of Music. From 1980 to 1985, he was a member of the multimedia group Boury. Since 1984, he has also performed as a soloist with his own compositions. He has toured Asia, Africa, and Latin America with Norbert Stein's Pata Masters. He has been a member of many of Norbert Stein's Pata projects for many years. In a duo with Xu Fengxia, he played bass flute and subcontrabass flute. In 1990, he founded his own quartet. He has also worked …