Compose a musical piece based on the given motif and alphabet representation.
X:1
L:1/4
M:2/2
K:G
['d2 d e f2 e f g', 'd d c', 'd d']  
X:1
L:1/4
M:2/2
K:G
 d2 d e | f2 e f | g g f3/2 e/ | d4 | d2 d e | f2 e f | g g f3/2 e/ | d3 || e/f/ | g f e d | 
 d c B3/2 c/ | d d c B | A2 G e/f/ | g f e d | d c B3/2 c/ | d d c B | A2 G2 || B3/2 c/ d d | 
 e c d2 | B3/2 c/ d d | e c d B/c/ | d d c B | A2 G2 :|  