Create a musical composition incorporating the given motif following the designated alphabetical pattern.
X:1
L:1/8
M:4/4
K:G
['g2 bg agfd', 'G3 A']  
X:1
L:1/8
M:4/4
K:G
 g2 bg agfd | e2 ge dB B2 | g2 bg agfd | (3efg fa gb g2 | g2 bg agfd | e2 ge dBcA | GFGA Bddg | 
 (3efg fa gb g2 :| G3 A BddB | cABG AGEF | G3 A Bddg | (3efg fa gb g2 :|  