E|-0-----3--0-----3--0-----3--0--3--0---------| B|-0-----0--1-----0--1-----0--1--0--1---------| G|-0-----0--0-----0--0-----0--2--0--2---------| D|-2-----0--2-----0--2-----0--2--0--2---------| A|-2-----2--3-----2--3-----2--0--2--0-(2-0--)-| E|-0-----3--------3--------3-----3----(----3)-| Right Before Chorus E|-0-------3-------0-------| B|-0-------0-------1-------| G|-0-------0-------0-------| D|-2-------0-------2-------| A|-2-------2-------3-------| E|-0-------3---------------| He varies the way he plays the riff through out the song, and at least live he doesn't play during the first half of the verses. That being said the bass is playing basically the same thing. Lead riff played after chorus/before verse later in song E|------------------------------------| B|----------------15-12---------------| G|-12-12-12--12----------12\9---------| D|------------------------------------| A|------------------------------------| E|------------------------------------| E|------------------------------------------| B|----------------15-12---------------------| G|-12-12-12--12----------14---12---11---9---| D|------------------------------------------| A|------------------------------------------| E|------------------------------------------|