Riff 1: Electric riff.
E|----------------------------------|
B|----------------------------------|
G|----------------------------------|
D|----------------------------------|
A|----6---7---6-----9-8-----8-7-----|
E|-55---5---5---5-7-----7-6-----6-5-|

It periodically hits an A chord on frets 2, 3, and 5. During the many
interludes.

Riff 2: Acoustic riff.
E|-----------------------|
B|-----------------------|
G|-----------------------|
D|---5---7---9----4-4-4--|
A|-0---0---0---0-2-2-2---|
E|-----------------------|