Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/8
M:4/4
K:D
['', 'AFEF DDEG', 'cdec Bcde fd']  
X:1
L:1/8
M:4/4
K:D
 dB |: AFEF DDEG | FDAD BdcB | AFEF DDEG |1 FAEF DcdB :|2 FAEF Dfed |:[K:A] cAeA fAec | 
 Aaec dcBc |1 Acec Acea | fdBc dfed :|2 d/d/d fd cdec | Bcde fd c/c/d ||  