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
Hypothesis, Part 1
16:00
#2
Hypothesis, Part 2
16:11
Album has 6 releases
Album releases in order of release date. Media format, release date, country, etc.
12" Vinyl
1978
Spain
12" Vinyl
1978
Germany
12" Vinyl
1979
Italy
12" Vinyl
1980
Italy
12" Vinyl
1981
United Kingdom
CD
2001