The song was recorded in F.
The beginning starts out with F7 chords.
Then it goes into this riff during the verse:
e------------------------------|
b------------------------------|
g------------------------------|
d-------------------0--3-------|
a----------0--1--1-------------|
e-1--1--4----------------------|
Chorus:
/ / / / / / / / / / / / / / / / X2
Solo uses a COMBINATION of these notes:
e---------------------------------------------|
b-----------------9------11---12--------------|
g--------------------/10----------------------|
d---------------------------------------------|
a---------------------------------------------|
e---------------------------------------------|