How to read tablature? 
Intro:
     Ab          Eb            Fm        Cm                                                                                            
xA|--------2----------5----|-----2-------2----------|
xE|--3---------------------|--------0----------2----|
xC|-----2-------2----------|--4-------x----------x--|
xG|--------0-x--------2-x--|--------0-x--------4-x--|

     Db          Ab             Db          Eb                                                                                                
xA|------------------------|-------------------5----|
xE|-----0--0----3----------|-----0--0---------------|
xC|--0-------x--------2-x--|--0-------x--2----------|
xG|--------0-x--------0-x--|--------0-x--------2-x--|


Chorus:
Ab                  Eb
Here's to the ones that we got
Fm                Cm
Cheers to the wish you were here but you're not
           Db                 Ab
'Cause the drinks bring back all the memories
   Db                Eb
Of everything we've been through

Ab             Eb
Toast to ones here today
Fm               Cm
Toast to the ones that we lost on the way
           Db                 Ab
'Cause the drinks bring back all the memories
        Db              Eb                   -nc-
And the memories bring back memories, bring back you

Verse 1:
          Ab             Eb             Fm             Cm
There's a time that I remember, when I did not know no pain
       Db              Ab              Db                    Eb
When I believed in forever, and everything would stay the same
       Ab                 Eb               Fm           Cm
Now my heart feel like December, when somebody say your name
         Db                  Ab               Db               Eb
'Cause I can't reach out to call you, but I know I will one day, ayy

Pre-Chorus 1:
Ab      Eb                    Fm             Cm
  Everybody hurts sometimes, everybody hurts someday, ayy-ayy
Db          Ab                      Db                    Eb
  But everything gon' be alright, go and raise a glass and say, ayy

Chorus 1:
Ab                  Eb
Here's to the ones that we got
Fm                Cm
Cheers to the wish you were here but you're not
           Db                 Ab
'Cause the drinks bring back all the memories
   Db                Eb
Of everything we've been through

Ab             Eb
Toast to ones here today
Fm               Cm
Toast to the ones that we lost on the way
           Db                 Ab
'Cause the drinks bring back all the memories
        Db              Eb                        Ab
And the memories bring back memories, bring back you

Post-Chorus 1:
        Eb                
   Doo-dooo doo-doo-doo-do   
Fm            Cm
   Doo-doo-do dooo doo-doo-dooo-do
Db              Ab
   Doo-doo-do-dooo doo-doo-dooo
Db              Eb                   -nc-
Memories bring back memories, bring back you

Verse 2:
          Ab             Eb             Fm           Cm
There's a time that I remember, when I never felt so lost
       Db               Ab               Db            Eb
When I felt all of the hatred, was too powerful to stop -ooh yeah-
       Ab                  Eb              Fm             Cm
Now my heart feel like an ember, and it's lighting up the dark
        Db                Ab               Db            Eb
I'll carry these torches for ya, and you know I never drop, yeah

Pre-Chorus 2:
Ab      Eb                    Fm             Cm
  Everybody hurts sometimes, everybody hurts someday, ayy-ayy
Db      Ab                      Db                    Eb
  Everything gon' be alright, go and raise a glass and say, ayy

Chorus 2:
Ab                  Eb
Here's to the ones that we got -oh-oh-
Fm                Cm
Cheers to the wish you were here but you're not
           Db                 Ab
'Cause the drinks bring back all the memories
   Db                Eb
Of everything we've been through -no no-

Ab             Eb
Toast to ones here today -ay-ayy-
Fm               Cm
Toast to the ones that we lost on the way
           Db                 Ab
'Cause the drinks bring back all the memories -yeah-
        Db              Eb                        Ab
And the memories bring back memories, bring back you

Post-Chorus 2:
        Eb                
   Doo-dooo doo-doo-doo-do   
Fm            Cm
   Doo-doo-do dooo doo-doo-dooo-do
Db              Ab
   Doo-doo-do-dooo doo-doo-dooo
Db              Eb                        Ab
Memories bring back memories, bring back you

        Eb                
   Doo-dooo doo-doo-doo-do   
Fm            Cm
   Doo-doo-do dooo doo-doo-dooo-do
Db              Ab
   Doo-doo-do-dooo doo-doo-dooo -ooh yeah-
Db              Eb                        Ab
Memories bring back memories, bring back you

Outro:
Eb               Fm  Cm
  Yeah-yeah yeah yeah
                  Db          Ab
  Yeah-yeah yeah yeah, yeah-no
Db              Eb                   -nc-
Memories bring back memories, bring back you