E|------------------------------------------------------------| l
B|------------------------------------------------------------| l
G|------------------------------------------------------------| l
D|-----------------------------------------------------x----x-| l
A|-------------------------------------0h6p5p0h6~-----x----x--| l
0h1p0-0-0h3/6-p0-0h6--------0h1p0-0-0--------------x----x---l

Billy's Part (standard tuning)

E|------------------------------------------------------------| l
B|------------------------------------------------------------| l
G|---------------------------------8-7---8*-------------------| l
D|-0-1-0---0-0-3-6-0-6~--0-1-0-0-7-----7----------------------| l
A|------------------------------------------------------------| l
E|------------------------------------------------------------| l

When it kicks in this is what Joey plays
E|------------------------------------------------------------| l
B|------------------------------------------------------------| l
G|------------------------------------------------------------| l
0-1-0-0-0-3-6-0-6----------0-1-0-0--------------------------l   
0-1-0-0-0-3-6-0-6----------0-1-0-0--0-6-5-0-6*--------------l
0-1-0-0-0-3-6-0-6----------0-1-0-0--------------------------l