Riff 1:
      |(actual riff begins here)
C |---|-----------------------------------------------------------------------------|
G |---|-----------------------------------------------------------------------------|
Eb|---|-----------------------------------------------------------------------------|   x1
Bb|---|-----------------7---------------------------------------7-------------------|
F |---|-9-10-9-----9-10---10-9---9-10-9---------9-10-9-----9-10---10-9---9-10-9-----|
C |-7-|----------7-------------7----------7---7----------7-------------7----------7-|

Riff 2:

C |---------------------------------------------------------------------------|
G |---------------------------------------------------------------------------|
Eb|---------------------------------------------------------------------------|   x1
Bb|---6-7-6-----6-7-9-7-6---8-9-8---------6-7-6-----6-7-9-7-6---8-9-8---6-----|
F |-----------------------------------------------------------------------6---|
C |-7---------7-----------7---------7-4-5---------7-----------7-------------7-|

Riff 1 x1

Riff 2 x1

Riff 3:

C |------------------------------------------------------------------------|
G |------------------------------------------------------------------------|
Eb|-12------12-11-12--12-11-12-11-9-11-12-12-11-12--12-11-12-11-11-9-9-----|   x1
Bb|-12------12-11-12--12-11-12-11-9-11-12-12-11-12--12-11-12-11-11-9-9-----|
F |-10------10--9-10--10--9-10--9-7--9-10-10--9-10--10--9-10--9--9-7-7-----|
C |----------------------------------------------------------------------7-|

Riff 1 x1

Riff 2 x1

Riff 1 x1

By the end of Riff 1 the song fades to silence.