Swizz Beatz premiered "Street Knock" featuring ASAP Rocky from his upcoming mix tape "Limitless" on Hot 97 DJ Angie Martinez. The rowdy rappers have gained notoriety for separate reasons (ASAP being the rowdier of the two), but their collaboration seemed inevitable.
It is big and nasty and so good. Those kids have some serious skills and are some of the rare few who can credibly throw around the word "swag" without it being laughable.
Listen to Swizz Beatz and Asap Rocky's "Street Knock:"