Brian Eno's second album collaboration with
Dieter Moebius and
Hans-Joachim Roedelius of
Cluster consists of slow-moving instrumentals full of repeated synthesizer sound patterns and sustained guitar notes in the ambient style familiar from
Eno's collaborations with
Robert Fripp and albums of his own, such as Discreet Music. (One song, "Broken Head," features recited vocals by
Eno, and on another, "The Belldog," he sings. On "Tzima N'Arki," he sings backwards.)