Sweet Home Chicago Intro

Sweet Home Chicago intro...
Please don't copyy it without my permission.
e-5/7-7-7--5/7-7-7--6----------| 
B-7/9---9--7/9---9--7----------| 
G------------------------------| 
D------------------------------| 
A------------------------------| 
E------------------------------| 

e-5/7-7-7--5/7-7-7--6--4-------| 
B-7/9---9--7/9---9--7--5---6---| 
G------------------------------| 
D------------------------------| 
A------------------------------| 
E------------------------------| 

e------0--------0---------0----| 
B-2/3----3---2-----2---1-----1-| 
G-3/4----4---3-----3---2-----2-| 
D------------------------------| 
A------------------------------| 
E------------------------------| 

e-------0-----OR---------------| 
B------------------------------| 
G-0--1-------------------------| 
D------------------------------| 
A-------------------0--1--2----| 
E------------------------------| 

Please leave feedback. I'm almost positive it's in a.
Thanks,
Joe Carroll