Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/8
M:2/4
K:G
['G2 GA']  
X:1
L:1/8
M:2/4
K:G
 D2 | G2 GA | BAGD | G2 GA | B2 DD | G2 GA | B2 dc | B2 AF | G2 DD | G2 GA | B2 dc | B2 AF | G2 |]  