Most of the tab you see before you has actually been transcribed by Catherine Cagne, but there are a few different things I'd like to add...
Drop D
Intro
e----------------------------------------------
b----------------------------------------------
g------10-10------10-10-----10-10------10-10---
d------10-10------10-10-----10-10------10-10--- x 2
a---8------8-----------------------------------
d--------------10----10---8-----8----10---10---
Part 1
Verse
e----------------------------------------------
b----------------------------------------------
g------10-10------10-10-----10-10------10-10---
d------10-10------10-10-----10-10------10-10---
a---8------8-----------------------------------
d--------------10----10---8-----8---10----10---
Part 2
Pre-chorus
e----------------------------------------------
b----10--8-----10--8----------3---5---6----8---
g----10-10-----10-10----------3---5---7----9---
d-----8--8------8--8---(x3)---5---7---8---10---
a-----------------------------x---x---x----x---
d---8--------10---------------5---7---8---10---
Part 3
Chorus
e-------------------------------------------------
b------10-10------10-10-------10-10-------10-10---
g------10-10------10-10-------10-10-------10-10---
d------10-10------10-10-------10-10-------10-10---
a---8------8--------------------------------------
d--------------10----10----8-----8-----10----10---
Part 4
"Damn baby.."
e------------0----------
b---6--------8----------
g---7--------9----------
d--10-------12---(x4)---
a------(0)--10----------
d---0-------------------
or, from Michael Scott's tab:
e-----------
b---6---8---
g---7---9---
d---0---7---
a-------0---
d---0-------
or, from my tab:
if you want to be real technical then play it like this...
e--------------- -------------------
b---6----------- ---8---------------
g-----7-----x2-- then slide up to -----9-----x4------ Repeat
d-------10------ -------12----------
a-----------------------(/10)----------------------------
d-------------------(0)(0)--(0)----------------------(0)-
Jam
(album)
e---12--8------------------------------- ---12--8------10-------
b-----------/10--8--6---6/8---10/8--6--- ----------10------12---
g---12--9------------------------------- ---12--9------10-------
d-----------/10--8--7---7/9---10/8--7--- ----------10------12---
a--------------------------------------- -----------------------
d--------------------------------------- -----------------------
e---12--8------------------------------- ---12--8------15--12---
b-----------/10--8--6---6/8---10/8--6--- ----------10-----------
g---12--9------------------------------- ---12--9------16--12---
d-----------/10--8--7---7/9---10/8--7--- ----------10-----------
a--------------------------------------- -----------------------
d--------------------------------------- -----------------------
Instead of (xxx9x8), I'm certain that John plays (xx14x13x)- Cagne
She's right...he does, but it doesn't make musch of a difference.
e-------
b-------
g-------
d---10-- x8 then play chorus 'til fade out
a-------
d-------
[ Tab from: http://www.guitaretab.com/j/john-mayer/25706.html ]