Develop a musical piece using the given motif and adhere to the outlined musical structure.
X:1
L:1/8
Q:1/4=140
M:2/4
K:G
['d2 A2 A/B/A/F/ GD DD AA', 'Ac BG'  
X:1
L:1/8
Q:1/4=140
M:2/4
K:G
 d2 A2 | A/B/A/F/ GD | DD AA | A/B/A/F/ G2 :: Ac BG | A/B/c/A/ BG | Ac BG | A/B/A/F/ G2 :|  