(it was supposed to be dropped D before, i'm just a bit slow on the uptake, so I typed before I thought when I said standard. SORRY)

intro-
|--------------------------------------------|
|--------------------------------------------|
|--------------------------------------------|
|-4-4-4-4--4-4-4-4-7-7-7-7--0-0-0-0--0-0-0-0-|
|-4-4-4-4--4-4-4-4-7-7-7-7--0-0-0-0--0-0-0-0-|
|-4-4-4-4--4-4-4-4-7-7-7-7--0-0-0-0--0-0-0-0-|


|--------------------------------------------------------------|
|--------------------------------------------------------------|
|--------------------------------------------------------------|
|-7-7-7-7--4-4-4-4--4-4-4-4-7-7-7-7--0-0-0-0-12--0-0-0-0-0-0-12|
|-7-7-7-7--4-4-4-4--4-4-4-4-7-7-7-7--0-0-0-0-12--0-0-0-0-0-0-12|
|-7-7-7-7--4-4-4-4--4-4-4-4-7-7-7-7--0-0-0-0-12--0-0-0-0-0-0-12|

riff-
play 3 times
|---------------------|
|---------------------|
|---------14----------|
|--12--14----14--12-14|
|---------------------|
|---------------------|

then
|--------------|
|--------------|
|----17--16----|
|------------14|
|--------------|
|--------------|

riff,
intro,

follow the music it's really straight forward.