Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
M:4/4
K:A
['E A2 cA eAcA B/B/B ce fefa', 'A A EAEA FAEA FATBA dcBA EAEA']  
X:1
L:1/8
M:4/4
K:A
 E | A2 cA eAcA | B/B/B ce fefa | eaca TB(ABc) | AFEF A/A/A A :: A | EAEA FAEA | FATBA dcBA | 
 EAEA FAEf | ecBc A/A/A A :|  