Construct a music composition that complies with the designated structure and theme.
X:1
L:1/4
Q:1/4=130
M:2/2
K:Ab
['A A']  
X:1
L:1/4
Q:1/4=130
M:2/2
K:Ab
 A A A B | A A E2 | F E F G | A2 A2 | A A A B | A A E2 | F E F G | A2 A2 | e d c B | c B A2 | 
 F E F G | A2 A2 | E E F G | A A B2 | e d c B | (A2 d2) | A4 |]  