Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
M:2/4
K:D
['f/a/f/e/ dd AB/B/ AF', 'fd ef'  
X:1
L:1/8
M:2/4
K:D
 f/a/f/e/ dd | AB/B/ AF | Ad/d/ cd | ef ge | f/a/f/e/ dd | AB/B/ AF | Ad d/c/d/e/ |1 fdd z :|2 
 fdd z/ A/ |: Ad f/e/d/f/ | ad/d/ fd | ef g/f/g/a/ | ba az/A/ | Ad f/e/d/f/ | ad/d/ fd | 
 ef g/e/c/e/ | fd d2 :|  