Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:2/4
K:D
['A>B AG (3FGA', 'd>e fd cA']  
X:1
L:1/8
M:2/4
K:D
 A>B AG | (3FGA DF | G>A GF | EF GE | A>B AG | (3FGA Dd | cA GE | E D3 :| d>e fd | cA A>A | 
 BG G>B | cA A>c | d>e fd | cA A>B | (3cBA GE | D2 D2 :|  