The section is divided into 3 parts. One requires Real Player Basic to listen to these songs. Real Player is available at http://real.com

.: Rare Real Audio

Listen to some of the rarest metallica songs many of which are unreleased. I have put a bit of commentary about the songs too. A real Gem this link. 

.: Tour Files

Listen to some real audio songs sung on some of their famous metallica tours.

.: Real Audio