This is the intro.  Listen to the song for the correct tuning.  This is the intro and 
of the song goes the same way.

Standard EBGDAE tuning:

[-xxx-^-xxxxxxx-^-xxxxxxxxxxx----------------------------------------------]
[-xxx-^-xxxxxxx-^-xxxxxxxxxxx----------------------------------------------]
[-777-^-444x4x4-^-666x666x6x6-----Repeat-----------------------------------]
[-000-^-xxxx0x0-^-000x000x0x0----------------------------------------------]
[-xxx-^-xxxxxxx-^-xxxxxxxxxxx----------------------------------------------]
[-777-^-333x3x3-^-555x555x5x5----------------------------------------------]

Chorus

[ x~ x-xxxxx-xx~xxx--------------------------------------------------------]
[ x~ x-xxxxx-xx~xxx--------------------------------------------------------]
[11~11-444x4-66~666---------------Repeat-----------------------------------]
[ 0~ 0-000xx-00~000--------------------------------------------------------]
[ x~ x-xxxxx-xx~xxx--------------------------------------------------------]
[10~10-333x3-55~555--------------------------------------------------------]