Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
M:6/8
K:D
['(3(A/B/c/ d)cd AFA dcb a2 f gfg', 'fdf afa abf gfg ecA'  
X:1
L:1/8
M:6/8
K:D
 (3(A/B/c/ | d)cd AFA | dcb a2 f | gfg ecA | def A2 (3(A/B/c/ | d)cd AFA | dcb a2 f | gfg ecA | 
 d3- d2 :: f | a2 a fdf | afa abf | gfg ecA | def g2 f/g/ | aaa fdf | afa abf | gfg ecA | d3- d2 :|  