Am I Not Yours Intro

Am I Not Yours?
Half-Step Down
Eb Ab Db Gb Bb eb


Continues after the ad
   intro      this part continues
              through the 1st verse
eb|---------- -----------------| 
Bb|---------- --3---3---3---3--| 
Gb|-2---2---- --x---x---x---x--| 
Db|--4~--4~-- -(1)-(1)-(1)-(1)-| 
Ab|---------- -----------------| 
Eb|---------- -----------------| 

im stuck once the full band comes 
in.
but that sounds 99%