Create a musical composition incorporating the given motif following the designated alphabetical pattern.
X:1
L:1/8
M:3/4
K:G
['GB dB cA BA G2 g2 gf', 'z2 Bg e2 ce ge d2 Bd']  
X:1
L:1/8
M:3/4
K:G
 GB dB cA | BA G2 g2 | gf ee ce | ge d2 z2 :: Bg e2 ce | ge d2 Bd | gd BB dd | cA G2 z2 :|  