Three further tracks, "Pareto Optimum" I & II and "Ochre", are solo organ pieces produced using the Frippertronics system.

[1] The album was recorded in several sessions during 1980, produced by Fripp and engineered by Tony Arnold at 'Arny's Shack' studio in Parkstone, Dorset, England.

Also credited are: The various uncredited voices on the album occur on the tracks "Indiscreet" I-III and "Cognitive Dissonance".

They may be classified by their location in the running order of the album, the distinct voices heard and the following opening phrases or sounds:

Key to voices: American music journalist Robert Christgau claims to recognise the voices of Karen Durbin, Chip Stern, Terre Roche, Richard Goldstein and Ellen Willis on the album, but does not say where each one appears.