Create a musical composition incorporating the given motif following the designated alphabetical pattern.
X:1
L:1/8
M:9/8
K:G
['G2 G GBG', 'g2 g gag', 'BGB BGB']  
X:1
L:1/8
M:9/8
K:G
 G2 G GBG Bcd | G2 G GBG AFD | G2 G GBG Bcd | E2 E EFG AFD :: g2 g gag fed | g2 g gag afd | 
 g2 g gag fed | efg dcB AFD :: BGB BGB c2 d | BGB BGB AFD | BGB BGB c2 d | EFE EFG AFD :|  