Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:6/8
K:D
['', 'D FAA', 'FED ADD'  
X:1
L:1/8
M:6/8
K:D
 D |: FAA A2 D | FAA AFD | GBB B2 D | GBB dBA | FAA A2 D | FAA AFD | FAA d2 B | AFF E2 D :: 
 FED ADD | BAF ADD | FED ADD | BAG FED | FED ADD | BAF ADD | FAA d2 B | AFF E2 D :|  