Sorry , thats not precise enough.
Search the App Store for XMBC . XMBC works on the Raspberry Pi.
Secod tip - google this :
a program called "Shairport"
a program called MediaTomb
If you have made up your mind , i'll can help you better.
Hope that helps.
• Don't like the board ? Missing features ? Change to the prosilver theme ! You can find it in your settings.
• Don't like to search the forum BEFORE posting 'cos it's useless ? Try googling : yoursearchtermshere site:raspberrypi.org