Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/4
M:3/4
K:D
['d d', 'e e']  
X:1
L:1/4
M:3/4
K:D
 d d d | d f a | g e c/A/ | d2 f/a/ | g e c/A/ | d f a | g b/a/g/f/ | e3 :: e e e | e c A | f f f | 
 f d A | g e/c/ d | g e/c/ d | (3B/A/G/ F E | D3 :|  