In a kind, just world, Bong Joon-ho's objective masterpiece Parasite will make a clean sweep at the Oscars. Best Picture, Director, Screenplay, Actor, Supporting Actress -- throw 'em all at the South Korean work of genius, please and thank you. And while we're at it, let's also give it a Best Original Song Oscar. For what? If you've seen the film, you already know what: the less-than-10-second jingle at the door sung by Kim Ki-jeong (Park So-dam) to remind herself the fake identity she's playing. Now, thanks to a delightful …