Tune bass, guitar 2.5 steps below standard:
Low to high B, E, A, D, F#, B

           (Play this 8 times, and then "No, I can't lose you..."
           This isn't much of a 'riff', but it plays throughout 
           the song.)
   Guitar w/ heavy distortion
B ||-X---||--------------------------------------------------||
F#||-X---||--12-12-12----12-12-12----12-12-12----12-12-12----||
D ||-X---||-----------11----------11----------11----------11-||
A ||-----||--------------------------------------------------||
E ||-----||--------------------------------------------------||
B ||-----||--------------------------------------------------||
 
"Oh no, no, no..."
||-------------------------------------||
||-------------------------------------||
||-------------------------------------||
||------9----9-7----7-2----2-4-5----7--||
||------9----9-7----7-2----2-4-5----7--||
||------7----7-5----5-0----0-2-3----5--||


Slightly distorted bass  (play 8 times & repeat)  ..."No, I can't..."
D||---------------------------------------||
A||--------9------7----9-6----------------||
E||-------------9-------------7-5----5/7--||
B||--/12---------------------------------||

"Oh no, no, no."
||-----------------||---------------------------------||
||-----------------||---------------------------------||
||-----------------||---------------------------------||
||-----------------||-7----9-5--5-5-0--0--0-2-3--3-5--||