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:F
['FA A2 G2']  
X:1
L:1/8
M:3/4
K:F
 f2 c2 BG | FA A2 G2 | FAcABG | FA A2 G2 | f2 g2 a2 | agfedc | ff g2 a2 | bgfed c2 |]  