I've never chased down that album but I'd like to hear it as I understand Deep Purple's original vocalist Rod Evans is the singer.
Deep Purple,now there's a band that had talent to 'burn' and Ritchie Blackmore...best.guitarist.ever!
As Iron Butterfly was represented in Captain Beyond too.
Here try this....bit of Captain Beyond..
http://www.youtube.com/watch?v=iXz-UIaauqQ
Enjoy..........