Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:4/4
K:F
['f2 f2']  
X:1
L:1/8
M:4/4
K:F
|: a |"G" g3 f"C7" e2 d2 |"F" cdcB A2 GF |"C7" ECEG c2 cB |"Dm" AFAc f2 a2 |"G" g3 f"C7" e2 d2 | 
"F" cdcB A2 GF |"C7" EFGA Bcde |1"F" f2 f2 f3 :|2"F" f2 f2 f2 |: cc |"F" Accc dccc | Acfc acfc | 
 Accc dccc |"Dm" Acfc acfc |"Am" Accc dccc |"C7" =Bcec gcbc | =Bcec gcbc |1"F" acgc f2 :|2 
"F" acgc f3 :|  