Main Riff

G|---6-------------------6------------------------|
D|------4--5--4-5-4---------4--5--4-5-4-----------|
A|-4------------------4---------------------------|
E|------------------------------------------------|


Second Riff
G|------------------------------------------------|
D|---6--------------------------------------------|
A|-------3--4--3-4-3------------------------------|
E|-4----------------------------------------------|

Thats really all there is to the song.  There's no bass during the "Please don't lay me 
to sleep" part.  At least none that I could hear.