How to read tablature?
Lowg preferred

Riff - throughout the Verses -
    Db     A     B     Gb      
xA|---------------------------| 
xE|-----4-----0-----2-----0---| x2 
xC|---3-----1-----3-----1---1-| 
xG|-6-----2-----4-----1-------|  

Verse 1: 
Db     A     B     Gb     
Just a castaway 
Db     A     B     Gb     
an island lost at sea 
Db     A     B     Gb     
another lonely day 
Db     A     B     Gb     
no one here by me 
Db     A     B     Gb     
more loneliness 
Db     A     B     Gb     
than any man could bear 
Db     A     B     Gb     
rescue me before I  
Db     A     B     Gb     
fall into despair 
  
Chorus - fast downstrums until Dbm -:
A            D   E 
I'll send an SOS to the world 
A            D   E 
I'll send an SOS to the world 
A            D     E 
I hope that someone gets my 
A            D     E 
I hope that someone gets my 
A            D     E 
I hope that someone gets my
Dbm          A       Dbm   A 
message in a bottle 
Dbm          A       Dbm  - A - 
message in a bottle
        
Verse 2:
Db     A     B     Gb     Db     A     B     Gb    
a year has passed since I wrote my note 
Db     A     B     Gb     Db     A     B     Gb    
but I should have known this right from the start 
Db     A     B     Gb     Db     A     B     Gb    
only hope can keep me together 
Db     A     B     Gb     
love can mend your life 
Db      A      B      Gb      
but love can break your heart 
  
Chorus: - fast downstrums until Dbm -:
A            D   E 
I'll send an SOS to the world 
A            D   E 
I'll send an SOS to the world 
A            D     E 
I hope that someone gets my 
A            D     E 
I hope that someone gets my 
A            D     E 
I hope that someone gets my
Dbm          A       Dbm   A 
message in a bottle 
Dbm          A       Dbm  - A - 
message in a bottle

Verse 3: 
Db     A     B     Gb     
Walked out this morning 
Db     A     B     Gb     
don't believe what I saw 
Db     A     B     Gb     
a hundred billion bottles 
Db     A     B     Gb     
washed up on the shore 
Db     A     B     Gb     Db     A     B     Gb    
seems I'm not alone in being alone 
Db      A      B      Gb     
a hundred billion castaways 
Db     A     B     Gb     
looking for a home 
  
Chorus - fast downstrums until Dbm -:
A            D   E 
I'll send an SOS to the world 
A            D   E 
I'll send an SOS to the world 
A            D     E 
I hope that someone gets my 
A            D     E 
I hope that someone gets my 
A            D     E 
I hope that someone gets my
Dbm          A       Dbm   A 
message in a bottle 
Dbm          A       Dbm  - A - 
message in a bottle

- Riff - 
Db     A     B     Gb     - x4 - A     B     Gb     
Sending out an SOS 
Db     A     B     Gb     
sending out an SOS 
- repeat and fade -