Beuatiful song off a great album. One of my fav's.

Simple riff repeats the whole way through all the notes are 8ths of a bar.

      Am                         C                        x3  F                      
E||---------------------------|---------------------------||--------------------------|
B||---------5--------5-----5--|--------5--------5-----5---||--------6--------6-----6--|
G||*-----5--------5-----------|-----5--------5-----------*||-----5--------5-----------|
D||*--7--------7--------7-----|--5--------5--------5-----*||--------------------------|
A||---------------------------|---------------------------||--8--------8--------8-----|
E||---------------------------|---------------------------||--------------------------|

    C/F
--------------------------||
--------5--------5-----5--||
-----5--------5-----------||
--------------------------||
--8--------8--------8-----||
--------------------------||


Sounds correct enough to me when i play along. For any interested the bass is really 
three notes are used, A, F and C, predominantly just the A+F's are used