Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/4
M:2/2
K:C
['E/D/ C C', 'd d']  
X:1
L:1/4
M:2/2
K:C
 E/D/ |:"C" C C E G | c c2 B/c/ |"D7" d d d c | A3 c |"G" B B B3/2 B/ | B B2 A |1"G" G G A G | 
"C" E3 D :|2"C" G F E D | C3 |]  