Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/16
M:2/4
K:D
['dBAF A2AB d2', 'fdd2 fddf (a2g)f gaba geef dBAF A2AB']  
X:1
L:1/16
M:2/4
K:D
 dBAF A2AB | d2 (3efg feef | dBAF A2AB | d2 (3ede fdd2 :: fddf (a2g)f | gaba geef | dBAF A2AB | 
 d2 (3ede fdd2 :|  