Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/8
M:4/4
K:A
['eAcA eAfA eAcA Bcdf eAcA eaga fdBd']  
X:1
L:1/8
M:4/4
K:A
|: eAcA eAfA | eAcA Bcdf | eAcA eaga | fdBd cA (3AAA :|  