Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:2/2
K:D
['AF F2 G2 FE DFAd fgfe', 'a3 f g3 e fdBe cABc dD'  
X:1
L:1/8
M:2/2
K:D
 AF F2 G2 FE | DFAd fgfe | dBGB gBdB | AFDF E2 dB | AF F2 G2 FE | DFAd fgfe | dB B2 AFDF | 
 E2 CE D2 fg |: a3 f g3 e | fdBe cABc | dD D2 FDFA |1 BdBd cefg | a3 f g3 e | fdBe cABc | 
 dD D2 FDFA | BecA d2 fg :|2 Bdgf edcB | AF F2 G2 FE | DFAd fgfe | dB B2 AFDF | E2 A,CE D2 dB ||  