Here's the intro/verse riff to ATWA. This is the first song I've ever tabbed so I'm sure there are errors. 
This one is a bit easier to play than other versions (I think so anyway) and doesn't use funny tunings 
Standard tuning down 1/2 step 
 
Eb-------------------------------------------------------- 
Bb-------------------------------------------------------- 
Gb-----2--------1--------4------6------7------6------4---- 
Db-------------------------------------------------------- 
Ab-------------------------------------------------------- 
Eb--2----2---0----0---4----4/5----5/7----7/5----5/4----4-- 
 
Eb--------- 
Bb--------- 
Gb-----2--- 
Db--------- 
Ab--------- 
Eb--2----2-