Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
M:2/4
K:D
['A>B df', 'f/g/f/e/ dB'  
X:1
L:1/8
M:2/4
K:D
|: A>B df | A>B df | eB BA/B/ | dB Bd | A>B df | A>B df | eB cd |1 ed d2 :|2 ed d>g |: 
 af f/e/f/g/ | af f/g/f/e/ | dB BA/B/ | dB BA | af f/e/f/g/ | af f/g/f/e/ | dB cd |1 ed d>g :|2 
 ed d2 ||  