Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
M:3/4
K:C
['cG EG', 'z2 G>f f>e d2 G>e e>d c2']  
X:1
L:1/8
M:3/4
K:C
 !>!cc/d/ cG EG | !>!cc/d/ cG EG | cc/B/ cd ef | !>!ag/^f/ g2 z2 :: G>f f>e d2 | G>e e>d c2 | 
 d>e dB GB | d2 c2 z2 :|  