Short Question
Does a free or reasonably priced solution exist to setup an audio streaming service like Pandora or better yet an iTunes shared library that operates over a LAN rather than the internet?
Background
I am always seeing questions on how to block streaming audio sites on company networks. I fully agree that 20+ users streaming Pandora could choke out important traffic such as VOIP systems or remote users (VPN etc..) and should be blocked. However, I have a hard time working in complete silence and would rather not load my work machine down with a large music library so ... I would like to turn the tables a bit and see if there is something the company could provide to replace the streaming audio service. I realize that this will still eat up network bandwidth, but the largest bottle neck tends to be the available bandwidth for the internet connection. If wifi bandwidth becomes threatened, it could quickly addressed by requiring a wired connection to stream.
While in college it was nice seeing 100's of shared iTune's libraries available to listen to. At the moment this seems like a viable solution, but I would really like to know if anyone has successfully setup or used an audio streaming or sharing solution that fits in a corporate environment. Note that our company has < 100 employees and I would guess that only 25 people would be streaming / accessing the service at a given point in time.
Edit
Just to clarify, if a solution does exist, it must be completely legal (tried to imply this by saying a business solution). To keep it legal the services could contain adds like Pandora, or have subscription fee for N users.
