Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
M:4/4
K:G
['Ad d2 cAGE ABGA', 'eg g2']  
X:1
L:1/8
M:4/4
K:G
 Ad d2 cAGE | ABGA EG G2 | Ad d2 cAGE | ABGA E2 D2 :| edcd eg g2 | eaag eg g2 | edcd eg g2 | 
 eaag e2 d2 | edcd eg g2 | eaag efgf | edcB cdef | (3gfg ag e2 d2 ||  