Compose a tune that integrates the letter-based representation of the determined musical pattern and the given melodic idea.
X:1
L:1/8
Q:1/8=232
M:4/4
K:F
['CF AF']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:F
|: CF AF CG BG | CF AF EF/G/ EC | CF AF CG BG | cA BG F/F/F F2 | CF AF CG BG | CF AF EF/G/ EC | 
 CF AF CG BG | cA BG F/F/F F2 | fg/a/ fc dB cA | BG AF E/F/G EC | Fc Ac Fd Bd | cf eg f/f/f fg | 
 af ge fc dB | cA BG E/F/G EC | CF AF CG BG | cA BG F/F/F F2 :|  