Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:2/2
K:D
['dA (3AAA BAGF', 'Acec Acec'  
X:1
L:1/8
M:2/2
K:D
 (3ABc | dA (3AAA BAGF | GABd cABc | (3ddd ed cABc | dfed cABc | dA (3AAA BAGF | GABdcABc | 
 (3ddd ed cABc |1 dfec d2 (3ABc :|2 dfec dAFG |: Adfd Adfd | Adfd dcBA | Acec Acec | Acec dcBG | 
 Adfd Adfd | Adfd dcB^g | aA (3AAAdcBA |1 (3Bcd ec dAFG :| (3Bcd ec d2 ||  