Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:4/4
K:D
['dB AFEF (3DDD DE FDFA d2 de', 'D2 dB ABde f2 ef gfed e2'  
X:1
L:1/8
M:4/4
K:D
|: dB | AFEF (3DDD DE | FDFA d2 de | fedB AFDE | FEED E2 dB | AFEF (3DDD DE | FDFA d2 de | 
 fedB AFEF | D2 DE D2 :: dB | ABde f2 ef | gfed e2 de | f2 fe dBAF | FEED E2 dB | AFEF (3DDD DE | 
 FDFA d2 de | fedB AFEF | D2 DE D2 :|  