'Revelation' is a 12-minute instrumental track that can be described as "variations on a theme of Paint It Black". The recognisable "Paint It Black" tune is first heard at about 6:40.
Original: Paint It Black (Paint It, Black
Cover:
Artist: Virus
Title: Revelation (full title: Revelation nach dem Thema "Paint it Black")
Credit: Jagger/Richard/Bearb. Virus (my German is not enough to know what Bearb. might be short for ??? )
Album: Revelation
Label: BASF CRC 015
Year: 1971
According to the sleeve, the album was recorded between 5 and 7 January 1971.
Virus personnel:
Reinhold Spiegelfeld
Bernd Hohmann
J Dieter Krahe
Wolfgang Rieke
Werner Monka
I have the CD reissue and can scan the sleeve/send the track if required.
Not much info on the web, these seem to be typical:
http://www.alexgitlin.com/virus.html (although I think the BASF ORC 015 credit on this page is not correct, it's CRC)
http://www.enricobassi.it/pilz.htm
http://gnosis2000.net/reviews/virus.htm