Try this...
NASA Symphonies of the Planets
Issued in the early nineties by Laserlight, the five volumes are from recordings made by the Voyager spacecraft in the audible frequency range.
It's absolutely mesmerizing to listen to, and some of the sounds are hauntingly familiar.
I found my first volume at Half-Price Books here in Dallas. I've found a couple more online, and even been in some bidding wars on ebay.
Great stuff if you can find it.
kadet ken