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HipHopGame.com has an interview with Diddy:

On "We Gon' Make It," it has the same "Shaft in Africa" sample as Jay's "Show Me What You Got." Which version do you like better?

I like it both ways. I'm not in any competition with Jay. It's a strange coincidence, but that's the way God wanted it. It feels good to be on the same wavelength as an artist as great as Jay-Z. We used a lot of the similar producers on this album because they're our friends and people we've worked with. A lot of times great minds think alike. Now DJ's are cutting one record right after the other. It's been a good thing.

Via killah at BadBoyForever.com.