Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
M:6/8
K:Amix
['aAe cAc fAe']  
X:1
L:1/8
M:6/8
K:Amix
 aAe cAc | fAe cAc | aAe cAc | fAe BGB | aAe cAc | fAe cAc | dfd cac | Bdc BGB :|  