Chords:

A = x02220
D = xx0232
D7 = xx0212


Main Riff:
(This riff is played throughout the song.)

e|-----------------------------|
B|-------2---2-----------------|
G|-----2---2---2---------------|
D|---2-----------0-------------|
A|-----------------------------|
E|-----------------------------|

Main Chord Progression:

A (x02220@1)D (xx0232@1)Strum these chords for the whole song.  During the chorus, let the A chord ring, and 
play the D.

Before Vitamin C starts singing the verses, strum a D7 chord.