As a general rule, Quentin Tarantino doesn't commission original songs to soundtrack his films, but it wasn't difficult for Jamie Foxx to convince the revered director that he needed to get Rick Ross on a track for his latest masterpiece "Django Unchained."

Late last month, Ross' single "100 Black Coffins" debuted, along with cover art attaching it to the film, and during a recent junket for "Django Unchained," Jamie Foxx told MTV News that he facilitated production of the song after introducing Tarantino to the Miami rapper on the movie set.

"Quentin and Rick meet each other and immediately, they're [vibing]," Foxx said. "Quentin knows everything about him, and God Forgives, I Don't is Rick Ross' album but that's also a spaghetti western title, so they're vibing. And as I'm watching this, I said, 'Quentin I know you've never done original tracks but you have to do it with this dude, and I say this dude because he's not the shiny mainstream rapper. He's got the streets.' "

Both Tarantino and Ross were intrigued by the idea, and after the crew wrapped filming on "Django Unchained," Foxx hit the studio with his own producer to get started on the track. The actor/singer suggested that Ross title the song "100 Black Coffins," and even did a bit of research, drawing inspiration from old TV programs like "The Lawrence Welk Show" to create the appropriate sound effects.

After laying down the base for Rozay's vocals, Foxx took the next steps. "I mimicked Rick Ross' voice on the track, drove the track to Quentin Tarantino — because he doesn't like computer stuff — and let him hear it, then I drive over to Rick Ross' hotel and say 'come downstairs' at 4 a.m. and 'hear this,' " he explained, adding that he emphasized to Ross, "What could happen is you guys could actually enter this song into the Oscar race."

After laying down his preliminary bars Rozay needed a little more guidance from Foxx before he got the full picture. "Rick does the first verse and I say, 'You have to do the whole song because in order for us to turn it in, it has to just be you,' and he says 'Well, I haven't seen the movie.'" Foxx's advice? "I said, 'Well, no one has, but write from [the point of view that] someone took your girl or someone did something bad to your mom, and the second verse he wrote... when people hear it, tears come to their eyes."

Other artists on the "Django Unchained" soundtrack include Anthony Hamilton and John Legend, who recorded "Who Did That To You?" and delivered it to Tarantino for consideration on a cassette tape, without having seen the film.

Check out everything we've got on "Django Unchained."