riff 1 (a)
E|----------------------------------------------| |
B|----------------------------------------------| |
G|---------/\------------/\------/\--/| |\-------||
D|----7-9-9-10---7-9-9-10-9-9-5-5-7-5-7-5-------| |
A|--7----------7--------------------------7-----| |
E|----------------------------------------------| |
repeat this 5 times...

riff 1 (b)
E|-----------------------------------------------| |
B|-----------------------------------------------| |
G|---------/\---10-10------------/\--/| |\--------||
D|----7-9-9-10-------7-10-9-9-5-5-7-5-7-5--------| |
A|--7-------------------------------------7------| |
E|-----------------------------------------------| |
then this figure once...

riff 2
E|--5/7/8\7--| |
B|-----------| |
G|-----------| |
D|-----------| |
A|-----------| |
E|-----------| |
this figure is played in low volume under the voice...