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:Ador
['(A2 A2) BABd', 'fa{b}af bfaf']  
X:1
L:1/8
M:4/4
K:Ador
 B | (A2 A2) BABd | egfg edBd | A2 A2 BABc | d2 ed Bd{e}dB | (A2 A2) BABd | (3efg fg edBd | 
 g2{a} ge fa{b}af | dfed Bd{e}de || fa{b}af bfaf | (3efg fg edBd | fa{b}af bfaf | d2 ed Bd{e}de | 
 fa{b}af bfaf | (3efg fg edBd | g2{a} ge fa{b}af | d2 ed Bd{e}d ||  