Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
Q:1/4=100
M:2/4
K:D
['z2 f>e de fA AA B>c de']  
X:1
L:1/8
Q:1/4=100
M:2/4
K:D
 z2 | f>e de | fA AA | B>c de | d4 | F>G AA | BA Bd | e>d ef | e4 | dd ef | gB BB | Ad de | f3 f | 
 e2 e>e | ee fe | d4 | d2 |]  