Okay, I went back to the downloads page and there are two sessions:
http://www.eventtemples.com/download...Session_1b.mp3
It is more than just breathing, but I think one can continue the breathing during the guided meditation.
They are near the bottom of the downloads page. You might have to look at the Site Map. I'm listening to it right now :-)
In my PEAT class we also performed some similar breathing before we did the session.
Gnosis