During Jay-Z's engineer Young Guru's DJ set tonight at the BitTorrent SXSW Showcase, he played a remix of Kendrick Lamar's good kid, m.A.A.d city joint "B***h Don't Kill My Vibe," featuring none other than Hov himself. No word on when this will be officially released, but peep the footage above to listen. Sounds super fresh.

Also Watch