Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:2/2
K:Amin
['G>G G>A', 'c e/f/ g>c e<g f>_B d<f g<c']  
X:1
L:1/8
M:2/2
K:Amin
 d | G>G G>A _B>cd>f | e<c f>d e<c f>d | G>G G>A _B>cd>^f | g>e=f>d c2 c :: e/f/ | 
 g>c e<g f>_B d<f | g<c e>c g>fe>c | (3faf (3ege f>_B d<^f | g<e =f>d c2 c :|  