Compose music by utilizing the specified chord transitions.
'A', 'B', 'A', 'C'  
X:1
L:1/8
M:2/2
K:G
"A" gfga gfga | bgaf gfga | bgaf gedc | BAGA _B2 Bc | B=FBd cdc_B | AGAc =BA G2 :|"B" BGdG BGGB | 
[M:3/2] A=F c2 AcFc AF c2 |[M:2/2] dBAc BA G2 | BG d2 BGGG | ^FAAc BAGG | BGdc BGGG | 
 A=FFc AF [Fc]2 | dBAc BA G2 | BGdc BGGG | =FGAc BA G2 | DGGA _BABc | BFBd cdc_B | AGAc =BA G2 |: 
"A" gfga gfga | bgaf gfga | bgaf gedc | BAGA _B2 Bc | B=FBd cdc_B | AGAc =BA G2 :|"^B'" BGdc BGBG | 
 A=FFc AF [Fc]2 | A[Fc]F[Fc] AF [Fc]2 | dBAc BAGG | BGdc BGBG |{G} FGAc BAGG | BGdc BGBG | 
 A=FFc AF [Fc]2 | dBAc BA G2 | (Bd)dd d2 dd |[M:3/2] cdcB AGAc BA G2 |[M:2/2] DGGA _BABc | 
 _B=FBd cdc=B | Ac=BA G2 ||"^A'" gf | (g/a/g/f/) ga bgaf | gfga bgaf | gedc BAGA | _B2 Bc B=FBd | 
[M:3/2] cdc_B AGAc =BA G2 |[M:2/2] gfga gfga | bgaf gfga | bgaf g2 ||"C" Ad | d2 fd adfd | 
 c2 c2 gcec | d2 [df]2 fdfa | ge^ce dfec | d2 [df]2 adfd | c2 [ce]2 gcec | d2 [df]2 fdfa | 
[M:3/2] ge^ce dfec dc d2 |[M:2/2] D=FGA _B2 BB | _BABd cdc_B | A=FAc _BA G2 | gfga gfga | 
 bgaf gfga | bgaf gedc | _BAGA B>BB(B/c/ | _B)ABd cdc=B | AGAc =BA G2 ||  