e|--------------------------|
B|--------------------------|
G|--------------------------|
D|--------------------------| (repeat for whole song, basically)
A|-----4/7-7---7\4----------|
E|--0---------0-0-----------|

Hit the last open E pretty much as or right before you slide back down from the 7th to 
4th fret on the 5th string.

Using tremelo/echo effects for the atmosphere