Sound/Audio Streaming .NET 2.0

Hi, I have a problem,I would like make a audio streamer for a web, but I don't know,whitsh namespaces should I use.Also I need make web service,web aplication or desktop aplication. When somebody send from a website request to listen some MP3, it has to stream this MP3 and send it to webaplication and winamp or windows media player via special port or domain.Can somebody help me,how can I build it?I work with .NET only 1-2 years,but only as hobby. It will be only for uncommercial use.Please help me. Thanks
Michal Jurko