Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
M:6/8
K:A
['cdc e2 f', 'B3 cef B3 cdc e2 f e3'  
X:1
L:1/8
M:6/8
K:A
|:"^A" cdc e2 f | edc BGE | cdc e2 f | e3 B A2 ::"^B" cef B3 | cef B3 | cdc e2 f | e3 B A2 :|  