Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
M:6/8
K:Amix
['Aaa Bac aad aea faa']  
X:1
L:1/8
M:6/8
K:Amix
|: Aaa Bac | aad aea | faa eaa | dac aBa | Aaa Bac | aad aea | faa gec | ABc d3 :|  