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
['AB cd', 'd(3B/c/d/ ea ab ag ef g2 gf']  
X:1
L:1/8
M:4/4
K:G
|: G2 GA | BG GB | AB cd | eA AB | cd ec | Bc dB | Ac BA |1 GE EF :|2 GE Ef |: g2 gf | 
 ed d(3B/c/d/ | ea ab | ag ef | g2 gf | ed dB | Ac BA |1 GE Ef :|2 GE EF ||  