For their second, set, Ronson and Mars were joined by a surprise guest no one expected: legendary New Orleans rapper Mystikal, who features on another new Mark Ronson song, "Feel Right."

Now, following its live debut, a full studio version of the track is available. "You gone mess around and make me knock your fruit juice loose, your banana, your watermelon, your pomegranate too," raps Mystikal, sounding as energized and unhinged as ever.

Ronson's funky, freewheeling production is a far cry from the southern-fried crunk over which Mystikal made his name, with its buttery horn section and uptempo percussion.

That doesn't stop Mystikal from letting his imagination roam free, rapping about "crapping out fire" and warning a lady not to pull a certain part of his anatomy "out of its socket."