Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
M:6/8
K:G
['GBG GB/c/d', 'gdB de/f/g/e/']  
X:1
L:1/8
M:6/8
K:G
|: GBG GB/c/d | GBG d2 B | GBG GB/c/d | AB/A/B c2 A | GAG GB/c/d | BGB gdB | cec d/c/B/c/d/B/ | 
 cAB c2 A :: gdB de/f/g/f/ | gdB d2 B | gdB de/f/g/e/ | cAB cd/c/B/A/ | gdB de/f/g/e/ | gde dcB | 
 cec d/c/B/c/d/B/ | cAB c2 A :|  