Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
M:2/4
K:A
['ef/e/ ce fe c2', 'A2 A2 ce a2 ab/a/ f2 af'  
X:1
L:1/8
M:2/4
K:A
 ef/e/ ce | fe c2 | c B2 A/B/ | c B2 B | ef/e/ ce fe c2 | Bc/d/ cB | A2 A2 :: A2 ce | a2 ab/a/ | 
 f2 af | e2 ec/d/ | e2 ce | fe cd/c/ | Bc/d/ cB | A2 A2 :|  