Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
M:4/4
K:A
['cAA<A cAec', 'agaf ecAc']  
X:1
L:1/8
M:4/4
K:A
 e | cAA<A cAec | dBfg aefd | cAA<A cAec | dfBd cAA :| g | agaf ecAc | Bbba gbeg | agaf ecAc | 
 dfBd cAAg | agaf ecAc | Bbba gbeg | aefb afec | dfBd cAA ||  