Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:2/4
K:G
['dG GA/B/ cE EG F/G/A/B/', 'gg ga/g/ fe']  
X:1
L:1/8
M:2/4
K:G
|: B/c/ | dG GA/B/ | cE EG | F/G/A/B/ c/B/A/c/ | ed d/c/B/c/ | dG GA/B/ | cE EG | F/G/A/B/ cF | 
 AG G :: e/f/ | gg ga/g/ | fe e>B | cc c/B/A/c/ | ed de/f/ | gg ga/g/ | fe e>G | F/G/A/B/ cF | 
 AG G :|  