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:G
['G3/2 A/ B']  
X:1
L:1/4
M:3/4
K:G
 D | G3/2 A/ B | A G F | G3/2 A/ B | A2 D | G3/2 A/ B | A G F | G3/2 A/ B | A2 G | G3/2 B/ c | 
 d3/2 e/ d | c B A | B3 | A2 G | G3/2 B/ c | d3/2 e/ d | c B A | G2 |]  