I'm a Sum 41 fan and thought this stuff was really cool. Proves that they're a great band as well... they did a great job with this! I actually like these versions better. But after all I am a Sum 41 fan and not really a metallica one.
http://www.youtube.com/watch?v=ooxmfP82vIM&feature=related
http://www.youtube.com/watch?v=3B80LVn8xXA&feature=player_embedded
http://www.youtube.com/watch?v=yAUNwP4r4U8&feature=player_embedded
http://www.youtube.com/watch?v=ooxmfP82vIM&feature=related
http://www.youtube.com/watch?v=3B80LVn8xXA&feature=player_embedded
http://www.youtube.com/watch?v=yAUNwP4r4U8&feature=player_embedded