Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/8
Q:1/8=232
M:4/4
K:D
['d2 FG A2', '(3(efg) af bf af df']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:D
|: (3(ABc) | d2 FG A2 (3(def) | gf ed fe Bc | d2 FG A2 AB | AG EF D2 (3(ABc) | d2 FG A2 (3(def) | 
 gf ed fe Bc | d2 FG A2 de | fa ef d2 :: (3(efg) | af bf af df | gf ed cd (3(efg) | af bf af df | 
 ag ec d2 (3(efg) | af bf af df | gf ed fd Bc | d2 FG A2 de | fa ef d2 :|  