Design a musical composition incorporating the alphabetic expression of the chosen structure and the provided melodic theme.
X:1
L:1/8
Q:1/4=160
M:2/4
K:G
['(d/e/f/ g)d Bd Gd Bd gd', 'B2 A2', 'EE AA']  
X:1
L:1/8
Q:1/4=160
M:2/4
K:G
 (d/e/f/ | g)d Bd | Gd Bd | gd Bd | GDGB |] d2 e2 | d2 c2 | B2 A2 | GDGB | d4- | d4 |{^c} d4- | 
 d4 | G2 A2 | B2 dc | B2 A2 | G2 F2 | E4- | E4- | E4- | E4 |: EE EE | AA GF | Ee ee | dc BA | 
 EE EE | AA GA | BG AF | GE F^D |1 E4 | F2 G2 :|2 E4- | EDGB |]  