Here is my first tab. I seemed to have found all these very complicated ways of 
playing this song so I decided to make it simpler for our young players. 

Capo 3rd fret


             
Desmond has hi

              
s barrow in th

  
e market place

...

              
Molly is the s

             
inger in a ban

 
d...
            
Desmond says t

              
o Molly "Girl,

 
 I like your f

ace"
             
And Molly says

             
 this as she t

              
akes him by th

  
e hand...
             
Ob-la-di, ob-l

              
a-da, life goe

     
s on, brah!...
            
Lala how the l

           
ife goes on...
             
Ob-la-di, ob-l

              
a-da, life goe

     
s on, brah!...
            
Lala how the l

         
ife goes on.

             
Desmond takes 

              
a trolley to t

           
he jewelry sto

re...
              
Buys a twenty 

             
carat golden r

  
ing... 
            
Takes it back 

              
to Molly waiti

   
ng at the door

...
              
And as he give

            
s it to her sh

            
e begins to si

ng... 
             
Ob-la-di, ob-l

              
a-da, life goe

     
s on, brah!...
            
Lala how the l

             
ife goes on...
             
Ob-la-di, ob-l

              
a-da, life goe

     
s on, brah!...
            
Lala how the l

           
ife goes on.
             
In a couple of

              
 years they ha

              
ve built a hom

           
e sweet home,
             
With a couple 

              
of kids runnin

         
g in the yard,
             
Of Desmond and

         
 Molly Jones..

. (Ha ha ha ha

 ha)
             
Happy ever aft

              
er in the mark

    
et place...
              
Desmond lets t

              
he children le

      
nd a hand...
            
Molly stays at

              
 home and does

    
 her pretty fa

ce...
             
And in the eve

              
ning she still

             
 sings it with

     
 the band...
             
Ob-la-di, ob-l

              
a-da, life goe

     
s on, brah!...
            
Lala how the l

         
ife goes on...
             
Ob-la-di, ob-l

              
a-da, life goe

     
s on, brah!...
            
Lala how the l

         
ife goes on.
             
In a couple of

              
 years they ha

              
ve built a hom

        
e sweet home,

With a couple 

of kids runnin

g in the yard,
             
Of Desmond and

       
 Molly Jones..

. 
             
Happy ever aft

              
er in the mark

    
et place...
              
Molly lets the

              
 children lend

   
 a hand...
            
Desmond stays 

              
at home and do

       
es his pretty 

face...
             
And in the eve

             
ning she's a s

              
inger with the

 
 band...
             
Ob-la-di, ob-l

              
a-da, life goe

    
s on, brah!...
            
Lala how the l

         
ife goes on...
             
Ob-la-di, ob-l

              
a-da, life goe

     
s on, brah!...
            
Lala how the l

         
ife goes on.