Intro
The entire song is this pattern repeated.
The timing is simple, listen to the first few seconds of the song.
e|---------------------------------------------------------------------------|
BB|---------------------------------------------------------------------------|
G+G|---------------------------------------------------------------------------|
D MajorD|---------------------------------------------------------------------------|
A augmentedA|---------------------------------------------------------------------------|
D MajorD|--7-10--12---P0------15-10--12---P0----------------------------------------|
************************************
| P Pop