Album has these songs
All songs from every album releases
Many songs are available for 30 seconds preview listening (by Spotify Audio Preview Clips)
#1
Variations II
26:34
#2
Ensembles for Synthesizer
10:47
#3
Trois visages de Liège: I. L'Air et l'eau
05:11
#4
Trois visages de Liège: II. Voix de la ville
04:00
#5
Trois visages de Liège: III. Forges
08:49
Album has 3 releases
Album releases in order of release date. Media format, release date, country, etc.

12" Vinyl
1967
United States

CD
7 Aug 2002
Japan

CD
7 Aug 2002
Japan