The whole song is basically this with one other detail.
E|------------------------------------------------------------------------|
B|---------------15-----------15-----------------15----------------15-----|
G|----------14------------14--------------14----------------14------------|
D|-----12-------------12--------------12---------------12-----------------|
A|------------------------------------------------------------------------|
E|------------------------------------------------------------------------|

           And the little horn thing goes like this
E|-----------------------------------------------------------------------|
B|-----------------------------------------------------------------------|
G|---14--12---10------14---12--10-------14--12--10-------14---12---10----|
D|----------------12----------------12---------------12------------------|
A|-----------------------------------------------------------------------|
E|-----------------------------------------------------------------------|