Develop a musical composition by incorporating the given alphabetic framework and motif.
X:1
L:1/4
Q:1/4=112
M:4/4
K:G
['B B', 'd B']  
X:1
L:1/4
Q:1/4=112
M:4/4
K:G
"^Allegretto" G/A/ | B B B A/G/ | d B B G/A/ | B B B A/G/ | B A A G/A/ | B B B A/G/ | A B g3/2 a/ | 
 b/a/g/f/ e/f/g/e/ | d B B || A/B/ | d B g B | d d d B/c/ | d B g f/g/ | a A A G/A/ | B B B G | 
 A B g3/2 a/ | b a/g/ g f/e/ | d B B ||  