Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
Q:1/4=140
M:2/2
K:D
['dcdA TB2', 'TFDAD F2 FA', 'D/D/DD A dcdA TB2 de f2 ed', 'D/D/DD [M:2/4][K:G][Q:1/4=140] d B2 Gd B2 G2', 'G F2 Dc c2 BA']  
X:1
L:1/8
Q:1/4=140
M:2/2
K:D
 A | dcdA TB2 AG | TF2 ED E/E/E EA | dcdA TB2 AF | EDEF D/D/DD :: A | TFDAD F2 FA | FDAD E/E/E EA | 
 TFDAD F2 FA | EDEF D/D/DD :: A | dcdA TB2 de | f2 ed e/e/e ea | gfed TB2 AF | EDEF D/D/DD :| 
[M:2/4][K:G][Q:1/4=140] d | B2 Gd | B2 G2 | DGGG | G3 A | BGGA | BGGA | B/c/dcB |{B} A3 :: G | 
 F2 Dc | c2 BA | BAGF | G3 G | F2 Dc | c2 BA | Bdgf |{f} e3 d | e2 ce | d2 Bd | cBAG | F/G/ADB | 
 c2 ec | d2 ge | dcBA | G3 :|  