With liner notes by renowned musicologist and sound researcher Petri Kuljuntausta.

Love Records owner Otto Donner saw the commissioned work by electro-acoustic musicians Åke Andersson and Antero Honkanen, who in their daily life were sound technicians at the Finnish Broadcasting Corporation, and immediately wanted to produce an album of the project. The 1977 album, which has ended up a very costly collector's item, hasn't been reissued in any format until now.