Klaus Wiese is a veteran musician and minimalist. He was a member of Popol Vuh and has collaborated with Al Gromer Khan, Mathias Grassow, Ted De Jong, Saam Schlammiger and Ooephoi. He travelled the Far East for many years studying Sufism and Mysticism. His spiritual achievment radiates through his exquisitely and authentic recordings and he is one of the true European masters of spiritual music. Koan is a strange long-lost album, written by Weise and Sam Schlamminger. Instruments used are Singing Bowls, Keyboard, Dotar, Dombak, Tabla, Voice. Featuring Ted de Jong on tabla.