Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/8
M:2/2
K:D
['(3faf dg (3faf', 'agfe fdBd gfed |1 cABc defg :|2']  
X:1
L:1/8
M:2/2
K:D
|: (3faf dg (3faf dg | (3faf dB cdeg | (3faf df gfed |1 cABc dfag :|2 cABc defg |: aAdf bagf | 
 gece agfe | fdBd gfed |1 cABc defg :|2 cAGE D3 g ||  