Beatles - Birthday tab

okay this is only the main riff but as far as I can tell it's pretty much the only one.
Played fast btw
[ Tab from: http://www.guitaretab.com/b/beatles/281589.html ]
------------------------|
------------------------|
------------------------|
------------5-4---------|
-------4-7------7-------|
-5-5--------------5-----| 
and just repeat that. Any comments,complaints etc go to supermarioguylaxy@hotmail.com