Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:3/4
K:A
['ABcAdB cdefeE FdEcDB |{A} G4 A2 (3cBc', 'dbfdBc dcBAGd caecAd cdeGAB ABcEFG FGACB,G A2'  
X:1
L:1/8
M:3/4
K:A
 ABcAdB | cdefeE | FdEcDB |{A} G4 A2 | (3cBc edBA | (3BAB eBGE |{B} AG F4 | E6 :: edcB^Ae | 
 dbfdBc | dcBAGd | caecAd | cdeGAB | ABcEFG | FGACB,G | A2 A,4 :|  