Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/8
M:9/8
K:G
['ded Bed BGB', 'e GAB gag fed']  
X:1
L:1/8
M:9/8
K:G
 ded Bed BGB | d2 B BdB d2 e | ded Bed BGB | c2 A AcA c2 e :: GAB gag fed | edB gdB d2 e | 
 GAB gag fed | ecA AcA c2 e :|  