Sound programming?

[Will Ware]

Somebody was asking me this evening if there's an easy way to
play a tone of a specified frequency and duration in Python.
I didn't know off the top of my head. I've since poked around
the web a bit and it appears like the Snack Sound Toolkit
(http://www.speech.kth.se/snack/) might be a good way to go.
One of its virtues is being cross-platform, which I suspect is
among his unstated wishes. Are there any other options?