Craft a musical work adhering to the specified theme and structure.
X:1
L:1/8
M:2/4
K:D
['f/g/f/e/ d/e/d/B/ AD FA GE', 'Af f/e/f'  
X:1
L:1/8
M:2/4
K:D
|: f/g/f/e/ d/e/d/B/ | AD FA | GE e>d | cB cA | f/g/f/e/ d/e/d/B/ | AD FA | GE e>f | ed d2 :: 
 Af f/e/f | Bg g/f/g | Af f/e/f | g/f/e/c/ d/c/B/c/ | Af f/e/f | Ag g/f/g | fg/f/ ec/d/ | ed d2 :|  