This is just the intro but this progression can be found throughout
the song.
p = pulloff
E---------------0-----------------------------------------
B-------3p0-------------3----0-----1p0--3--1p0--3---------
G----------------------------------2----2--2----2---------
A--------------------------------2------------------2-----
D-----2------2------2------2---0------------------0-----2-
E---3------3------3------3----------------------------3---
(G) (Am) (G)
I was twenty...