Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
M:2/4
K:D
['DF FE/D/ GB B>c dA', 'dc/d/ eA'  
X:1
L:1/8
M:2/4
K:D
|: F/E/ | DF FE/D/ | GB B>c | dA dA | e/d/c/B/ A/G/F/E/ | DF FE/D/ | GB B>c | dA c/d/e/c/ | df d :: 
 A/c/ |{de} dc/d/ eA | dc/d/ eA | d/e/=f fe | d/d/{ef}e/d/ _B2 | A=F d_B | A/A/_B/A/ E2 | 
 A/_B/A/=F/{de} d_B | A_B/A/ E :|  