Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
['DE FAAF D2 fa gefg edBA FAAB', 'faaf d2'  
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
 DE | FAAF D2 fa | gefg edBA | FAAB d2 cd | B2 AF E2 :| Dd | faaf d2 ef | gedf edBA | faaf d2 cd | 
 b2 af e2 de | faaf d2 ef | gedf edBA | FAAB d2 cd | B2 AF E2 :|  