If you have access to a Mac, you could use
Meditation Music to create a longer track of interesting mood music (or Garage Band, for that matter -- that's what I used for the music at
http://zigraphix.com).
You're right, Steve, I doubt the publisher is going to pay any attention to your site at this point. I just think it's ironic for a content author to be using someone else's content without explicit permission at their site.