Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/8
M:6/8
K:G
['', 'B, D>ED GED DED GFG ABA AGE']  
X:1
L:1/8
M:6/8
K:G
 B, |: D>ED GED | DED GFG | ABA AGE | A3 A>FGABA dBA | ABA dBA | GAG GED | G3 G3 :|  