One truly classic ECM album recorded live at the Opera in Köln, Germany on January 24, 1975 featuring 'Koln' January 24, 1975 Part I, Koln January 24, 1975 Part II a, Koln January 24, 1975 Part II b & Koln January 24, 1975 Part II c.
- A Köln, January 24, 1975 Part I
- B Köln, January 24, 1975 Part II A
- C Köln, January 24, 1975 Part II B
- D Köln, January 24, 1975 Part II C