Main riff: (w/ slight variations throughout)
e---------------------------------------------------------------------------|
b---------------------------------------------------------------------------|
g--3h5p3---3---3h5p3---3h5-------3h5p3---3h5p3---3h5-------3---3h5----------|
d--------5-----------5-------3h5---------------5-------3h5---5--------------|
a---------------------------------------------------------------------------|
e---------------------------------------------------------------------------|

e----------------------|
b----------------------|
g--3h5-3h5-3h5p3-------|
d----------------5-----|
a----------------------|
e----------------------|