Song: Machine Gun
Band: Sum 41
Album:Half Hour Of Power


riff1
g
d
a      4      4
e4 2 1  

Verse 
g
d
a        4444
e44442222    4444

Chorus
i think it is just a4

verse
chorus
Riff1 (during the guitar solo)
riff2
g
d
a    444444
e4422
riff3
g
d
a
e15/ 21212421
riff1