Drop D tuning
Intro— Piano  except for about 13 seconds into the song:

G———————
D———————
A—8/————
D———————

Verse (A long December)

G——————————————————————————————————————
D——————————————————————————————————————
A—(1~) ————(3~)——————(1~)—————(1~)—
D——————(3~)—————(5~) —————(3~)—————— 

Pre Chorus (And Its one more day)

G————————————————————————————————————————
D————————————————————————————————————————
A———————————1—1—1—1————————————————————
D—3—3—3—3——————————5—5—5—5—5—5—5—5— 

————————Short Pause———————— (I wish you would)
Chorus  (Na na na na) 

G———————————————————————————————————————
D———————————————————————————————————————
A——————————1—1—1—1—————————1—1—1—1——
D—3—3—3—3—————————5—5—5—5——————————— (on 2nd time leave out the 1 on the A string) 


Song Structure:

Intro x1
Verse x2
Pre—chorus x3
Chorus x2
Verse x2
Pre—Chorus x3
Chorus x2
Chorus through the guitar solo x2
Verse x4
Piano Solo/ intro x2
Chorus until very end; end on low D—3