Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/16
Q:3/4=40
M:3/4
K:G
['D4 G4 B4 d4 g4 (dedc) BcBA', 'd4 B4 g4 d4']  
X:1
L:1/16
Q:3/4=40
M:3/4
K:G
 D4 | G4 B4 d4 | g4 (dedc) BcBA | G4 (DEDC) B,CB,A, | A,4 B,4 d4 | e2c2G2c2e2c2 | d2B2G2B2d2B2 | 
 c2>d2 c4 [BD]4 | [BD]4 A4 :|"_f" D2F2 | A4 A4 A4 | A8 (GFGA) | B4 B4 B4 | B8"_p" d4 | d4 B4 g4 | 
 d4 B4 g4 | d4 e2d2c2B2 | B2A2G2F2E2D2 | F4 B4 d4 | g4 (dedc) (BcBA) | G4 DEDC B,CB,A, | 
 A,4 G,4"_p" d4 | e2c2G2c2e2g2 | d2B2G2B2d2g2 | fedc B4 A4 |{A} G8 |]  