Courtesy Call Tab

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This is my first tab, it sounds accurate to me - I played it many times with the song. 
it isn't for you, then it's either you or me that has a hearing problem :) I noticed that 
tab on this site (the only tab in fact) is kinda wrong.

Tuning: Half step down (i.e. Eb Bb Gb Db Ab Eb)

Intro (0:21) & Verses:

Eb-10---10---10---10----9---9---9---9---9---9---9---9----7---7---7---7-----|
Bb----7----7----7----7----7---7---7---7---7---7---7---7----7---7---7---7---|
Gb-------------------------------------------------------------------------|
Db-------------------------------------------------------------------------|
Ab-------------------------------------------------------------------------|
Eb-------------------------------------------------------------------------|

Chorus (Bar Chords):

Eb-7--7--7--7--7--7--7--7--6--6--6--6--6--6--6--6--5--5--5--5--5--5--5--5---|
Bb-7--7--7--7--7--7--7--7--6--6--6--6--6--6--6--6--5--5--5--5--5--5--5--5---|
Gb-7--7--7--7--7--7--7--7--6--6--6--6--6--6--6--6--5--5--5--5--5--5--5--5---|
Db-9--9--9--9--9--9--9--9--8--8--8--8--8--8--8--8--7--7--7--7--7--7--7--7---|
Ab-9--9--9--9--9--9--9--9--8--8--8--8--8--8--8--8--7--7--7--7--7--7--7--7---|
Eb-9--9--9--9--9--9--9--9--8--8--8--8--8--8--8--8--7--7--7--7--7--7--7--7---|

Eb-4--4--4--4--3--3--2--2-----|
Bb-4--4--4--4--3--3--2--2-----|
Gb-4--4--4--4--3--3--2--2-----|
Db-6--6--6--6--5--5--4--4-----|
Ab-6--6--6--6--5--5--4--4-----|
Eb-6--6--6--6--5--5--4--4-----|  x2

Verse.

Pre-Chorus (Bar Chords Again):

Eb-7--6--5---|
Bb-7--6--5---|
Gb-7--6--5---|
Db-9--8--7---|
Ab-9--8--7---|
Eb-9--8--7---|

I spent my whole morning working this tab out, and the fact that Im ill at the moment 
help much :) Anyway, glad to help. Any mistakes either write them in the comment. :D