A1: 1983 - studio Marcel Duchamps, Institute of Musicology, Amsterdam
A2: 1995-2020 - home studio
B1: 1985 - Institute of Sonology
B2: 1984 - Institute of Sonology
B3: 1995-2020 - home studio
All music and photo front cover: Hans van Eck
Mastering: Jos Smolders
Layout: Johnny van de Koolwijk