Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:2/4
K:A
['AAee e3 d =cBcB A=G G2 =f2']  
X:1
L:1/8
M:2/4
K:A
 AAee | e3 d | =cBcB | A=G G2 | =f2 ed | =c2 de | =cB A2 | A4 |]  