Addicted to Noise is an Australian based music information site that's been around for a long time. Whilst it is graphics intensive, there is almost always something of interest on the site. Try web radio . MP3 is a format for music files. There are many free MP3 players and there is a huge amount of MP3 music on the net.
Music companies are worried that much of the music being downloaded is pirated.
This page provides access to some of the music sites on the web.