Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:4/4
K:A
['A2 ce a2 ba f3 a fece', 'fA A/A/A'  
X:1
L:1/8
M:4/4
K:A
|: A2 ce a2 ba | f3 a fece | effe cBAF | EFAB cBAF | E3 F ABce | f2 af fece | efec dBcA | 
 BAGB cAec :: A2 ce fece | fA A/A/A fAeA | fA A/A/A fAef | aefa eAce | effe cBAF | E3 F ABce | 
 f2 ec dBcA | BAGB cAec :|  