Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:3/4
K:G
['ge/f/ g2 d2 cA/B/ B2']  
X:1
L:1/8
M:3/4
K:G
 ge/f/ g2 d2 | cA/B/ B2 G2 :|  