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:C
['dBd cBA G2 F G2 g', 'd2 g']  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:G] a ee ae gg be a f!p! be deae e ad uff[Q:1/8=160] .A | dBd cBA | G2 F G2 g | 
 e2 g d2 g | e2 c B2 c | dBd cBA | G2 F G2 g | fed ed^c | d2 ^c d2 :| B | dcA Bcd | c2 d e2 c | 
 c2 B ABc | Bcd d2 g | e2 g d2 g | c2 g B2 g | ded cBA | G2 F G2 :|  