ok this is the intro to the ex and you have to drop D

e|-----------------|---------------|-----------------|------------------|-----------------|
B|-----------------|---------------|-----------------|------------------|-----------------|
G|-----------------|---------------|-----------------|------------------|-----------------|
D|-7---7---6---4---|7--7---6---4---|-2-2-2-2-2-4-2-0-|------------------|-----------------|
A|----------------—|—--------------|-0-0-0-0-0-0-0-0-|--2-2-2-2-2-4-2-0-|-2-2-2-2-2-4-2-0-|
D|---4---4---4---4-|-0---0---0---0-|-----------------|--0-0-0-0-0-0-0-0-|-2-2-2-2-2-2-2-0-|


and the chord is::: (bar the 4th fret)
e|-4-4-4-4-4-4-4-------------------------------------------
B|-4-4-4-4-4-4-4-------------------------------------------
G|-6-6-6-6-6-6-6-------------------------------------------
D|-6-6-6-6-6-6-6-------------------------------------------
A|-4-4-4-4-4-4-4---------——--------------------------------
D|-x-x-x-x-x-x-x-------------------------------------------