Swizz Beatz has worked with some of the biggest names in rap, and he recently posted some rare studio footage of Jay Z and Timbaland.

The footage features the three working on Jay Z's 'Magna Carta Holy Grail' album.

For most music fans, all we get to see is the finished product.  So when we get a chance to look at the process of making the music we love, it's a big deal.

Check out some more of the creative process in the second clip below.