We saw Busta join Kendrick for the debut of this over the weekend, and now we've got the full version. Not many can keep up with Kendrick when he gets into his zone, but Busta's got the fast-flow on lock. They both pick up the pace for this one. Check it out below.

Listen: Kendrick Lamar f/ Busta Rhymes "Rigamortus (Remix)"

[via Fader]