Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
Q:1/2=60
M:2/2
K:G
['c BGdB BGec BGdB cAAc BGdB cAec', 'gd B/c/d/B/']  
X:1
L:1/8
Q:1/2=60
M:2/2
K:G
|: c | BGdB BGec | BGdB cAAc | BGdB cAec | BGdB G2 G :: e | gd B/c/d/B/ gd B/c/d/B/ | 
 gd B/c/d/B/ aAAf | gd B/c/d/B/ gd B/c/d/B/ | cAdB G2 G :|  