Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
M:4/4
K:D
['D2 DE FA,CE FD D/D/D FAdf gfed', 'Addf abag fd d/d/d Adfd'  
X:1
L:1/8
M:4/4
K:D
 A,C | D2 DE FA,CE | FD D/D/D FAdf | gfed fdAF | GFED CEAF | D2 DE FA,CE | FD D/D/D FAdf | 
 gfed fdAF | GEAF D2 :| z2 | Addf abag | fd d/d/d Adfd | e2 eg bagf | ge e/e/e Bege | Addf abag | 
 fd d/d/d Adfd | gfed cBAF | GEAF D2 :|  