Intro

Part A:
E|-/10---/9------------------------------------|
B|-----------------------/7----/10-------------|
G|-----8----10-10-10h12-----12-----------------|
D|---------------------------------10-10-10h12-|

Part B:
E|-/10---/9------------------------------------------------12| then part A
B|----------------------/7-----------------------12-10-9-7---|
G|-----8----10-10-10h12----12------------12-10-7-------------|
D|----------------------------10-12-10-8---------------------|

Part C:                         N.H. N.H.
E|-/10---/9-------------------------------|
B|-----------------------/7---------------|
G|-----8----10-10-10h12-----12-------12>-|
D|------------------------------12>------|

Intro is A, B, A, C

After 1st chorus:
E|-/10---/9----------------------------------|
B|-----------------------/7------------------|
G|-----8----10-10-10h12-----12------------12-|
D|-----------------------------10-12-10-8----|

During 2nd verse:
E|-----------------------7h8h9-------|
B|-----8--7--6-5--3------------5h6h7-|
G|-----------------------------------|
D|-----------------------------------|
     Down I go a-gain

During bridge, part A, then:
E|-/10---/9--------------------------------------------------| then part A
B|-----------------------/7----------------------------12-10-|
G|-----8----10-10-10h12-----12----------------12--10-7-------|
D|------------------------------10/12--10--8-----------------|

Part A again with some harmonics at the end, something like part C

On the last chorus, Chris plays this harmonic thing at the very end:
E|-7>-|
A|-7>-|
D|-7>-|
G|-7>-|

The end goes like this:
Part A, then:
E|-/10---/9----------------------------------------------------5-4-2-|
B|------------------------------------------12-10-9-7-5-3-2--0-------|
G|-----8----10-10-10h12-------------12-10-7--------------------------|
D|-----------------------10-12-10-8----------------------------------|