The sixth studio album by Brian Eno. The album consists of four compositions created by layering tape loops of differing lengths, and was designed to be continuously looped as a sound installation, with the intent of defusing the tense, anxious atmosphere of an airport terminal.

Side A:

1. 1/1 - 16:39
2. 2/1 - 8:24

Side B:

1. 1/2 - 11:36
2. 2/2 - 9:38