Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/4
M:3/4
K:Dmix
['d d']  
X:1
L:1/4
M:3/4
K:Dmix
 a | a2 g | f2 e | d2 c | A G A | c B c | d2 d | d3- | d z A | d d e | f2 g | a2 c' | a g3/2 f/ | 
 d2 d | e2 A/B/ | c3- | c z a | a2 g | f2 e | d2 c | A z A/B/ | c2 d- | d d d | d3- | d z |]  