Produce a compatible series of chord shifts that synergize with the given musical composition.
"^A" A3 e2 c | efa f2 e | faa AAA | fec cBB | A3 e2 c | efa f2 e | 
 eff fec | BAA A2 :|"^B" a3 AAA | cea fee | faa AAA | fec cBB | 
 a3 AAA | cea fee | eff fec | BAA A2 | a3 AAA | cea fee | faa AAA | 
 fec cBB | A3 e2 c | efa f2 e | eff fec | BAA A2 |"^C" AAA cBc | 
 AeA fee | faa AAA | fec cBB | AAA cBc | AeA fee | eff fec | 
 BAA A2 :|"^D" c2 e aga | Ace fee | faa AAA | fec cBB | c2 e aga | 
 Ace fee | eff fec | BAA A2 | c2 e aga | Ace fee | faa AAA | 
 fec cBB | AAA cBc | AeA fee | eff fec | BAA A2 ||  
X:1
L:1/8
M:6/8
K:A
"^A""A" A3 e2 c |"A" efa f2 e |"D" faa"A" AAA |"D" fec"E" cBB |"A""F#m" A3 e2 c |"A" efa f2 e | 
"D" eff"A" fec |"E" BAA"A" A2 :|"^B""A" a3 AAA |"A" cea fee |"D" faa"A" AAA |"D" fec"E" cBB | 
"A" a3 AAA |"A" cea fee |"D" eff"A" fec |"E" BAA"A" A2 |"A" a3 AAA |"A" cea fee |"D" faa"A" AAA | 
"D" fec"E" cBB |"F#m" A3 e2 c |"A" efa f2 e |"D" eff"A" fec |"E" BAA"A" A2 |"^C""A" AAA cBc | 
"A" AeA fee |"D" faa"A" AAA |"D" fec"E" cBB |"A""F#m" AAA cBc |"A" AeA fee |"D" eff"A" fec | 
"E" BAA"A" A2 :|"^D""A" c2 e aga |"A" Ace fee |"D" faa"A" AAA |"D" fec"E" cBB |"A" c2 e aga | 
"A" Ace fee |"D" eff"A" fec |"E" BAA"A" A2 |"A" c2 e aga |"A" Ace fee |"D" faa"A" AAA | 
"D" fec"E" cBB |"F#m" AAA cBc |"A" AeA fee |"D" eff"A" fec |"E" BAA"A" A2 ||  