Icecast 

is a streaming server that enables radio stations to effectively stream online audio. It is powerful and stable, which means that you can launch all your radio traffic on the Internet without having accidents or other problems. Listeners can access streaming audio through any live MP3 player. Icecast also works with mountpoints that automatically transfer listeners from the Auto DJ to the live broadcast and vice versa without the need to manually activate anything inside or outside the control panel. Listener Statistics : Live and historical statistics show you who is listening and how they connect
AutoDJ & Media Library: Easily drag-and-drop music, albums and artists all in one central control panel with the ability to easily schedule song rotation and switch between your media library and live radio. Streaming Accounts will also gain direct FTP access to upload songs and albums from third party FTP clients.