Intro:

E|----------2--------------|
B|----------4----12-7| <---| occasionally
G|--3---1---4--------------|
D|--2---2---4--------------|
A|--2---2---2--------------|
E|----------2--------------|
Almost always played, except chorus

Bassriff:

E|---------------------|
B|---------------------|
G|---------------------|
D|---------------------|
A|---------------------|
E|-8-5-0-3-0---7-10-11-|