Develop a musical composition by incorporating the given alphabetic framework and motif.
X:1
L:1/8
M:2/2
K:D
['a2 fa g2 eg gfed cBAG FA', 'A2 FA B2 dB']  
X:1
L:1/8
M:2/2
K:D
|: a2 fa g2 eg | gfed cBAG | FA c2 GBeg | fedc d2 D2 :: A2 FA B2 dB | AFED AFED | A2 FA B2 dB | 
 AGFE D4 :|  