I've seen the the metallica version on this site, and this tab is exactly the same in
sound, but easier to play. you have to listen to the song a couple times to get the
timing down. this is the intro and main riff, all i could figure out, sorry.
                                 x8                                         
|-----------------------------------|-----------------------------|
|-----------------------------------|-----------------------------|
|-----------------------------------|-----------------------------|
|12--9----7-6-9----5-4-5----7-6-7---|---7-------------------------|
|10--7----5-4-7----3-2-3----5-4-5---|-----5----5-7------5-7-------|
|------00-------00-------00---------|-00----00-----0-5-7----------|
                                            
                                           main riff ^