Nas & Common: their styles combined could make some ill songs, I think it would bring out Nas's style from the illmatic days.
The Gza & The Rza: they've been in the same songs together, but I'd like something from just them together, like Third world, that was dope as fuck.
Ghostface & Nate Dogg: That would be crazy, nate dogg would sing and ghost would rap, they already did that one song together.