Develop a musical composition by incorporating the given alphabetic framework and motif.
X:1
L:1/4
Q:1/2=100
M:4/4
K:Bb
['A d', 'd c/B/']  
X:1
L:1/4
Q:1/2=100
M:4/4
K:Bb
 D | G/A/ B A d | B A/G/ ^F E/D/ | G A/B/ A d | B2 G :: A | B c/d/ c f | d c/B/ c F | B G e d/c/ | 
 c2 B2 | A A/B/ c A | d G ^F3/2 f/ | d c/B/ A/B/ c | B2 G :|  