Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
M:2/4
K:D
['', 'A,D E<FF/ BA', 'Ad f>e fg fe dc B>A Bg']  
X:1
L:1/8
M:2/4
K:D
 z2 A,D |: E<FF/ BA | E<F A,D | E<FF/ BA | E2 A,C | EF GF | E2 A,C | EF/G/ FE | D2 A,D | E<FF/ BA | 
 E<F A,D | E<FF/ BA | E2 A,C | EF GF | E2 A,C | E3/2F/4G/ FE | D2 Ad || f>e fg | fe dc | B>A Bg | 
 B2 cd | e2 e>f | ecBA | c>dc/ de | c<d Ad | f>e fg | fe dc | B>A Bg | B2 cd | e2 e>f | ec BA | 
 c<dc/ de |1 c<d A,D :|2 c<d- d2 ||  