Riff 1
G|---------------------------------------------------|
D|-------------5---------------------5---------------|
A|-33--5-6-------6---5-3---3-3(33)--3-------1-1-1-11-|
E|---------------------------------------------------|
( )-sometimes added
Riff 2
G|-----------------------------------------------|
D|-------------5-5-------------5-----------------|
A|--33--5-6---6-6-6-5----3-3--3----1111----------|
E|-----------------------------------------------|
Riff 3
G|-------------------------------------|
D|-----5-------------------------------|
A|----6---5---33(33)-------------------|
E|-------------------------------------|