Compose a piece adhering to the given musical structure and theme.
X:1
L:1/8
M:2/4
K:D
['DF AB/A/'  
X:1
L:1/8
M:2/4
K:D
|:"D" DF AB/A/ | FA A2 | DF AB/A/ |"A" FE E2 |"D" DF AB/A/ | FA A2 |"G" dd"A" ed/e/ |"D" fd d>B :: 
"D" Ad f>e |"G" dB"D" A>A | Ad cd |"A" fe e2 |"D" Ad f>e |"G" dB"D" A>A | Ad"A" cd |"D" ed d2 :|  