Piping Pithos, or any audio player that can open streams, into Mumble?

I am trying to setup a karaoke channel on my mumble server, because why not? All of my friends and I are weird.
So the basic ideaology of what I'm trying to do,

--Have mumble on karaoke computer transmit audio to the mumble client, in turn it being sent to the server.

Does anyone have the slightest idea on how I would go about this?