Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/4
Q:3/4=100
M:6/4
K:D
['d e', 'd c A']  
X:1
L:1/4
Q:3/4=100
M:6/4
K:D
 a |{g} f2 d d e f | (e/f/) g f g2 b | a g f{f} e2 d | e c A A2 a | f2 d d e f | (e/f/) g f g2 b | 
 a g f e d c | d A F D2 :: A | F2 D A B =c | B G G G2 B | ^G2 E B c d | c A A A2 a | 
 (g/a/) b e (f/g/) a d | (e/f/) g c (d/e/) f B | (c/d/) e d c A c | d A F D2 :|  