Compose music that adheres to the provided musical structure and theme.
X:1
L:1/8
Q:1/4=84
M:2/4
K:D
['dd ed ec', 'ag gf'  
X:1
L:1/8
Q:1/4=84
M:2/4
K:D
"^A" a>g ff | f>e dd | ed ec | d/e/f/e/ d/e/f/g/ | a>g ff | fe dd | ed ec | d2 d2 :|"^B" e2 f2 | 
{a} gg/f/ fg |{b} aa/g/ fa | ag gf | ag gf | ab/a/ gf | f2 e2 ||  