E|-0-X-X-X-X-X-0--------------------| times 4
B|---------------3-3-3/1-1-0-0-0-0--|
G|----------------------------------|
D|----------------------------------|
A|----------------------------------|
E|----------------------------------|

mute the string on the 4th fret and it only touch 
it barely so it rings in high pitch

Riff 2

E|-0-0--0-1-0-1--0-1-1-3-2-1-1------|
B|-2-2--2-3-2-3--2-3-3-5-4-3-3------|
G|----------------------------------|
D|----------------------------------|
A|----------------------------------|
E|----------------------------------|

Riff 3

E|----------------------------------|
B|-0-----0---0---0-----0------------|
G|--2-2-2-2-2-2---2-2-2-------------|
D|---2-2---2---2---2-2--------------|
A|----------------------------------|
E|----------------------------------|

Riff 4

E|-5-5--5-5-4-1-1-1-1-0-0-X-X-------|
B|-7-7--7-7-6-3-3-3-3---------------|
G|----------------------------------|
D|----------------------------------|
A|----------------------------------|
E|----------------------------------|