So you've watched the movie "Back to the Future" and thought it was hilarious when Marty
J. Fox) plays the song using power chords rather than the traditional chords that bands 
in that time. Well this tab is how to play that song using the power chords.

Standard Tuning(EADGBE), listen to the song for strumming pattern.

  F5 (133xxx@1)  A5 (x022xx@1) Bb5 (x133xx@1)C5E|--------------------| (x355xx@1)B|--------------------|
G|-----------3----5---|
D|-3----7----3----5---| x10
A|-3----7----1----3---|
E|-1----5-------------|


  F5 (133xxx@1)  Bb5 (x133xx@1) F5E|---------------| (133xxx@1)B|---------------|
G|------3--------|
D|-3----3----3---|
A|-3----1----3---|
E|-1---------1---|

  A5E|--------| (x022xx@1)B|--------|
G|--------|
D|-777777-|
A|-777777-|
E|-555555-|

  Bb5 (x133xx@1)G5E|----------| (355xxx@1)B|----------|
G|----------|
D|-8----3---| X3
A|-8----3---|
E|-6----1---|

  A5 (x022xx@1)  C5C#5
E|-----------|
B|-----------|
G|------5--6-|
D|-7----5--6-|
A|-7----3--4-|
E|-5---------|


  F5 (133xxx@1)  A5 (x022xx@1) Bb5 (x133xx@1)C5E|--------------------| (x355xx@1)B|--------------------|
G|-----------3----5---|
D|-3----7----3----5---| x4
A|-3----7----1----3---|
E|-1----5-------------|

Be sure to listen at the end when he decides to slow the change of the last two chords 
the song. Hope you enjoy it.
-Dday33