hey guys, for those of you in love with Marcus Miller don't miss this video streaming interview: Mac users require Win Media Player
A less ominous possibility... you probably don't have the appropriate codec loaded. If you're trying to play it in Windows Media Player, the player itself will tell you that its lacking the appropriate codec, then point you to a site (I foget the name) which will tell you which codec you need (e.g. DivX 5.x) and install it.