Brasilia in Waitawhile (Mae Oxum)
Einem Luftigen Akustischen Kosmos Entgegen (Carlfriedrich Claus & Hartmut Geerken)
Von Röhren Und Lamellen (Die Pilzfreunde & Hartmut Geerken)
No Point (Hartmut Geerken & Art Ensemble of Chicago)
Zero Sun (Hartmut Geerken & Art Ensemble of Chicago)
For Tesla Without Fessla (Hartmut Geerken & John Tchicai)
Invocations for Angels and Demons (Hartmut Geerken & John Tchicai)
Point of Low Return (Hartmut Geerken & John Tchicai)
Ahoupva (Hartmut Geerken & Valeri Scherstjanoi)
Afghanistan Perdu (Hartmut Geerken, John Tchicai)
Blues for Underdogs (Hartmut Geerken, John Tchicai)
For Tesla without Fessla (Hartmut Geerken, John Tchicai)
Gaziantep (Hartmut Geerken, John Tchicai)
Invocations for Angels and Demons (Hartmut Geerken, John Tchicai)
Perdidoboogie (Hartmut Geerken, John Tchicai)
Point of Low Return (Hartmut Geerken, John Tchicai)
Wazir Akbar Khan Mena (Hartmut Geerken, John Tchicai)
Yazilikaya (Hartmut Geerken, John Tchicai)
O' Milano (Hartmut Geerken, Jooklo Duo)
Coda (Hartmut Geerken, Michael Ranta)
Same Trains (Hartmut Geerken, Michael Ranta)
Untitled (Hartmut Geerken, Michael Ranta)
Untitled (Hartmut Geerken, Valeri Scherstjanoi)
Null Sonne No Point (The Art Ensemble of Chicago & Hartmut Geerken)
Null Sonne No Point (The Art Ensemble of Chicago, Hartmut Geerken)
May 10, 1975, Karachi, Pakistan (The Heliopolar Egg : Michael Ranta, Hartmut Geerken)
Area & Accents (Rec. Mokattam / Egypt January 1970)
Does Bobo Sambo Expect to Hear a Sound? Does He Expect to Hear a Voice?
Excavatio for Upright Piano (Rec. Mokattam / Egypt June 1969)
Improvisation on a Postcard from Kurt Schwitters
Kein Roter Faa, Denn Die Worte Sind Niemals Gefallen
Mynonas Weg in Die Emigration / the Heliopolar Egg
Requiem for the Snake of Maidan Part Four
Requiem for the Snake of Maidan Part One
Requiem for the Snake of Maidan Part Three
Requiem for the Snake of Maidan Part Two