riff 1  
E|-------------------------------------------------------------------------|
B|---8-5-------------------------------------------------------------------|
G|---7-4--------------------------------7b---------------------------------|
D|2--5-2-2--5-4-2-0---------------------7b---------------------------------|
A|2----------------3-2-0-----5------5--------------------------------------|
E|0----------------------3-0-3-5b-5----------------------------------------|

then this riff enters
E|-------------7---7-----------------------------------------------17b-17b|
B|------8-10---10b-10b----10b-10b--8~----15b-15b-------15b-15-12----------|
G|--7-9-------------------------------------------------------------------|
D|------------------------------------------------------------------------|
A|------------------------------------------------------------------------|
E|------------------------------------------------------------------------|