How to read tablature? 
Intro - 2x - Ab Db Eb7

     Ab                      Db                    Eb7       Eb7
xA|--4-0-2-4-0----4-2---0---0-----0-2-0----------2-2-2-2--2---|
xE|--0-0-0-0-0--------------2--------------------0-0-0-0--0---|
xC|--1-------1--------------2--------------------2-2-2-2--2---|
xG|--2-------2--------------2--------------------1-1-1-2--1---|

xA|----4-0-2-4-0----4-2-0---0----4---2--0---2---- 2 ------------|
xE|----5---5-5--------0-0---2---------------0---- 0 ------------|
xC|--4------------------1---2---------------2---- 2 ------------|
xG|-------------------------2---------------1---- 1 ------------|

Chorus:
Ab          
Here comes the sun - Du du du du -
Db              Bb7
Here comes the sun

And I say

     Ab
xA|--0----2----0-------------2-----2------2-----2-----------|
xE|--0----0----0-----------5-----5-----5------5---5-4-------|
xC|--1-----------------4/6-----4-----2------4---------6-4---|
xG|--2------------------------------------------------------|

Ab           Db Ab Bbm Ab Eb7
It's alright

Verse:
Ab
Little darling
            Db                Eb7
It's been a long cold lonely winter
Ab
Little darling
              Db                     Eb7
It feels like years since it's been here

Chorus:
Ab          
Here comes the sun - Du du du du -
Db              Bb7
Here comes the sun

And I say

     Ab
xA|--0----2----0-------------2-----2------2-----2-----------|
xE|--0----0----0-----------5-----5-----5------5---5-4-------|
xC|--1-----------------4/6-----4-----2------4---------6-4---|
xG|--2------------------------------------------------------|

Ab           Db Ab Bbm Ab Eb7
It's alright

Verse:
Ab
Little darling
             Db              Eb7
The smiles returning to the faces
Ab
Little darling
              Db                     Eb7
It seems like years since it's been here

Chorus:
Ab          
Here comes the sun - Du du du du -
Db              Bb7
Here comes the sun

And I say

     Ab
xA|--0----2----0-------------2-----2------2-----2-----------|
xE|--0----0----0-----------5-----5-----5------5---5-4-------|
xC|--1-----------------4/6-----4-----2------4---------6-4---|
xG|--2------------------------------------------------------|

Ab           Db Ab Bbm Ab Eb7
It's alright

Bridge:
      B      Gb        Db      Db       Ab         Eb7
xA|-----8-10----------------------0------------2-------|
xE|---8--------7-10-----5-10---2-----0---------0-------|
xC|----------7--------6------2-------1---------2-------|
xG|----------------------------------2---------1-------|

B    Gb    Db            Ab     Eb7
Sun, sun, sun, here it comes    - five times -

Verse:
Ab
Little darling
            Db             Eb7
I feel that ice is slowly melting
Ab
Little darling
              Db                     Eb7
It seems like years since it's been clear

Chorus:
Ab          
Here comes the sun - Du du du du -
Db              Bb7
Here comes the sun

And I say
Ab           Db Ab Bbm Ab Eb7
It's alright

Ab          
Here comes the sun - Du du du du -
Db              Bb7
Here comes the sun

And I say
Ab           Db Ab Bbm Ab Eb7
It's alright