(With apologies to Mr Dheere. I haven't heard his rendition.)
Ray Sizemore reads it in a detached manner (reminiscent of the Emergency Medical Hologram in Star Trek Voyager) which is highly suited to the material.
Consider: A monologue. No relationships. No sex. No strikingly new ideas. Mostly expositional. Yet so darned good.
http://www.lightspeedmagazine.com/fiction/exhalation/
(Somewhere out there is an audio version crisply and cerebrally voiced by Tom Dheere.)