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The chords to Jumpin' Jack Flash (as I hear it) are B, D, A, and E. The opening riff (also, the middle section) is just B-E-D repeated (3 times
  for the intro, 4 for in the middle) followed by B strummed a few times.
  During the verses, the riff is the simple
 
  |-----------------------------------|
  |*---------------------------------*|
  |-----8--8--------------------------|
  |-----9--9--------7-----7-------7---|
  |*----9--9----7-9---7-9-----7-9----*|
  |-----7--7--------------------------|
 
  The chorus is
 
                        
  But it's al----right     now,
 
 
  in fact it's a gas....
 
               
  But it's al----right
                            
  Jumpin' Jack Flash, it's a gas gas gas!
 
 
  That's the chord progression.  If anyone knows the counter-melody played
  during the chorus, please post it.
 
 
 
  The opening section to Brown Sugar is
 
              
  |-------------------------|
  |*---13--12----5-5--6-6--*|
  |----12--12----5-5--5-5---|
  |----14--12----5-5--7-7---|
  |*-----------------------*|
  |-------------------------|
  repeat 4 times
 
 
                                        
  |-------------------|---------------|---------------------------|
  |*--8---8-9---9--8--|--5--5-6--6-5--|--1--2-1-3-4--6--6-6-6-5--*|
  |---8---8-10--10-8--|--5--5-7--7-5--|--1--3-1-3-5--5--5-5-5-5---|
  |---8---8-8---9--8--|--5--5-5--5-5--|--1--1-1-3-3--7--7-7-7-5---|
  |*------------------|---------------|--------------------------*|
  |-------------------|---------------|---------------------------|
  repeat 2 times
 
 
  Enjoy...
  
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