Using the given motif as a foundation, craft a musical piece adhering to the outlined form.
X:1
L:1/8
M:4/4
K:D
['ADDE F3 G']  
X:1
L:1/8
M:4/4
K:D
 BG | ADDE F3 G | ADDB =cABG | ADDE F3 G | AB=cAG :|  