Waterfall

Intro/Verse
E|--------------------------------------------------| 
B|--------------------------------------------------| 
G|-------------6-6-6-6------------------------------| 
D|----4-4-4-4-7-7-7-7-------------------------------| 
A|---5-5-5-5----------------------------------------| 
E|--------------------------------------------------| 

So basically I have no idea what chord this is... D5?  =S

In the chorus he hits this chord four times and guitar 2 comes in playing 16th
notes as shown below:
Chorus Guitar 1:
E|-----| 
B|--5--| 
G|--7--| 
D|--7--| 
A|--5--| 
E|-----| 

Chorus Guitar 2:
On the third time Guitar 1 hits the chord, Guitar two
comes in with light distortion:
g|--77777777777777777777777777777777---|