Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/8
M:6/8
K:D
['A3 BAF A2 B d2 e', 'ABd B2 A']  
X:1
L:1/8
M:6/8
K:D
|: A3 BAF | A2 B d2 e | faa baf | efe edB | A3 BAF | A2 B d2 e | faf e2 d | d3 d3 :: ABd B2 A | 
 ABd B2 A | faa baf | efe edB | ABd B2 A | ABd B2 A | faf e2 d | d3 d3 :|  