Single drum compactor used Hamm H11 i - Ad n°7269307
Köln-Mülheim station - Wikipedia
Kenneth Gaburo, New Music Choral Ensemble I (NMCE1), Ben Johnston, Pauline Oliveros, Charles Hamm, Kenneth Gaburo, Robert Shallenberg, Leslie Bassett, Luigi Nono, Anton Webern, Olivier Messiaen, Kenneth Gaburo - Kenneth Gaburo conducts