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
Echo
20:02
#2
Peace
21:30
Album has 6 releases
Album releases in order of release date. Media format, release date, country, etc.

12" Vinyl
1969
France

12" Vinyl
1969
France

12" Vinyl
1970
Japan

12" Vinyl
1979
United Kingdom

12" Vinyl
2001
Italy

CD
2004
Italy