Develop a musical composition utilizing the presented motif and adhering to the required structure.
X:1
L:1/16
M:2/4
K:D
['A2>B2 BAGF A2D2D2 FA B2B2 dcBA B2E2E2', 'dcdB ABcd e2e2'  
X:1
L:1/16
M:2/4
K:D
 A2>B2 BAGF | A2D2D2 FA | B2B2 dcBA | B2E2E2 FG | AFdF BAGF | A2Bc d2>e2 | fdaf fedc | B2B2B2 cd :: 
 A2 Bc dcdB | ABcd e2e2 | A2Bc dfed | cBAG AECE | A2Bc dcdB | ABcd e2e2 | fdaf fedc | B2B2B2 cd :|  