Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
Q:1/4=200
M:2/2
K:D
['A2 FA', 'Ad d2']  
X:1
L:1/8
Q:1/4=200
M:2/2
K:D
|: A2 FA BAFA | A2 FA BAFA | B2 (3cBA BAcA | BAcA BAFA | A2 FA BAFA | A2 FA BAFE | FABc dedB | 
 AFEF D2 (3EFG :: Ad d2 Ad d2 | AddA BAFA | B2 (3cBA BAcA | BAcA BAFA | Ad d2 Ad d2 | Addc d2 dB | 
 A2 FA BcdB | AFEF D2 (3EFG :|  