Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
Q:1/8=120
M:2/2
K:C
['GEGc c2 c2', 'eg g2 fa a2']  
X:1
L:1/8
Q:1/8=120
M:2/2
K:C
 c2 | GEGc c2 c2 | efde cA A2 | GEGc c2 c2 | efde c2 :: e2 | eg g2 fa a2 | gede cA A2 | 
 eg g2 fa a2 | c'bag a2 a2 | eg g2 fa a2 | gede BA A2 | GEGc c2 c2 | efde c2 :|  