Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/16
Q:1/4=120
M:6/8
K:Dmin
['A2 d2>e2de f2>a2gf']  
X:1
L:1/16
Q:1/4=120
M:6/8
K:Dmin
 A2 | d2>e2de f2>a2gf | e2c2c2 c4 A2 | d2>e2de f2>a2gf | e2A2A2 A4 fg | a2>b2ab g2>a2ga | 
 fefagf{f} e4 e2 | fefgaf gfgabg | a2d2d2 d4 |]  