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=180
M:2/4
K:G
['GA BB/c/ BA', 'z dg fg ee dB']  
X:1
L:1/8
Q:1/8=180
M:2/4
K:G
|: d>B GA | BB/c/ BA | d/e/d/B/ GA | Be e z | d/e/d/B/ GA | BB/c/ BA | Gg fg | ed e z :: dg fg | 
 ee dB | Gg fg | ed e z | dg fg | ee dB | d/e/d/B/ GA | Be e z :|  