the ^ means the note is played while using the octave key.
(Intro pt.1)
D^ C B A
C B A B
(Intro pt.2/Outro)
G D^ C B C B D^ D^ A B G D^ C B C B D^
G D^ C B C B D^ D^ A B G D^ C B D^ C B A C B A B G
(...if ya only knew...)
G D^ C B C B D^ D^ A B G D^ C B C B D^
(Chorus)
G G A B D^
G G A B E^ E^ D^
G G A B D^
G G A B E^ E^ D^
G G A B D^ G G A B D^
G G A B E^ E^ D^
G G A B D^ G G A B D^
G G A B E^ E^ D^