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
['e2 e>e', 'A2 a2']  
X:1
L:1/8
M:4/4
K:D
 d2 d>d dfed | e2 e>e e2 cd | e2 e>e egfe | f2 f>f f2 f>g | a2 a>a ac'ba | g2 g>g gbag | 
 f2 f>f fagf | e2 e>e e2 A2 :: a2 f>f f2 d'2 | g2 e2 e2 d'2 | f2 d>d d2 (3fed | c2 A2 A2 a2 | 
 f4 d4 | g4 e4 | afdd' BgAc | d2 d>d d4 :|  