There's Real Audio files of two of the tracks here, including the famous 'O fortuna' (or 'Wheel of Fortune' as its called here):
http://www.thedoors.com/BeHere/ray/cbinfo.html
It also has the CD liner notes which are worth reading after you've heard the music:
'In 1983 Ray Manzarek, long attracted to the spiritual power of CARMINA BURANA, chose to interpret the piece in a contemporary framework. This presentation intends to create enchanted pictures; to conjure up the ectasy expressed in the lyrics, an enhanced intense feeling for life akin to the passions and revelry of the wandering poets of so long ago.'
I don't really get any of this from listening to it!
Colin.
Tech Support: 'I need you to boot the computer.' Customer: (THUMP! Pause.) 'No, that didn't help.'