Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:2/4
K:G
['D2 D>G G3 G GBdB B2 AA']  
X:1
L:1/8
M:2/4
K:G
 D2 D>G | G3 G | GBdB | B2 AA | cccA | B2 dG | AAEF | G2 z G | F>GAG | F/F/E D2 | G2 B2 | d3 c | 
 B/B/GAA | G2 z2 |]  