Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/8
M:2/4
K:C
['d4 eAeA c2 eA GG A2']  
X:1
L:1/8
M:2/4
K:C
 cAcA | G4 | ecec | d4 | eAeA | c2 eA | GG A2 | G4 | cAcA | G4 | e c2 e | cA G3 AcAcA | G2 z2 | 
 cAec | d4 | eAeA | c2 eA | GG A2 | G4 |]  