Audio Art - A Rainbow In Curved Air (Audio CD)

Really interesting audio art for the first track of this CD.
Also I remember the Music... I Think I listened to this years ago... :D

The disc looks like this:

Here is the Youtube playlist for audio art:
https://www.youtube.com/playlist?list=PLTVfMKlrvvyk8GTQ8DgOB-h_uqvNxVNNO

Buy CD here:
http://www.amazon.co.uk/A-Rainbow-In-Curved-Air/dp/B006GE6BJI/ref=sr_1_1?ie=UTF8&qid=1412197725&sr=8-1&keywords=A+Rainbow+In+Curved+Air

Discogs link:
http://www.discogs.com/Terry-Riley-A-Rainbow-In-Curved-Air/release/77371#_=_

Total time:
40 min 16 sec.

Tracklist

1	A Rainbow In Curved Air	18:40
2	Poppy Nogood And The Phantom Band	21:40