This is pretty much as complicated as the song gets.
Occasioanally it stops on A-7 for a moment.

G|------------------------------------|
D|----------14~----------14--13-------|
A|----------------12---15--14---------|
E|--12~---15--------------------------|

You can play it starting on the seventh fret on A
as well or even an octave down with open strings
but I think this method provides the fullest sound.

Have fun.