Develop a musical composition by incorporating the given alphabetic framework and motif.
X:1
L:1/4
M:4/4
K:Eb
['B B']  
X:1
L:1/4
M:4/4
K:Eb
 E E B B | A A G G | e e d d | c c B B | B B e B | c B G2 | B B A G | F F E2 |]  