“Dear Ruggero, what a movie! The second part is a masterpiece of cinematographic realism, but everything seems so real that I think you will get in trouble with all the world.” – Sergio Leone
As sampled in a french rap masterpiece:
The OST is also quite diversified.
Even featuring some “funky” tracks
Louis X Legris
Louis & Louis Soundsystem et leurs amis 
why don’t fack him before kill him she is one of the cannibal