Intro: 
note on 3rd time add below tab to end of riff 
e------------------------------------|----------------------- 
b------------------------------------|----------------------- 
g---8---------6--------4------6------|---------8------------- 
d--8-8-------6-6------4-4----6-6-(x3)|----8--8---8----------- 
a-6---------4--------2------4--------|--8--8------8----------something like that 
E------------------------------------|-6--------------------- 

Then do this a couple times -listen to song : 
e-------------------------------------------------------- 
b-------------------------------------------------------- 
g---8---------6--------4------6------------8------------- 
d--8-8-------6-6------4-4----6-6------8--8---8----------- 
a-6---------4--------2------4-------8--8------8---------- 
E----------------------------------6--------------------- 


"All the leaves are brown.." 

e-------------------------------------------- 
b-------------------------------------------- 
g-88---6---444--66-------888888-------------- 
d-88---6---444--66--8888-888888-------------- 
a-66---4---222--44--8888-xxxxxx-------------- 
E-------------------6666-666666-------------- 

"I'll be safe and warm.." 
just palm mute the above bit accordingly