The king doing his thing on-stage. Backed by a full band, Jay-Z hits the mic live on David Letterman's floor with his blockbuster single "Roc Boys (And The Winner Is...) and knocks the crowd off their feet. And he said he was...

Don't call it a comeback! Jay-Z debuts his latest opus "Roc Boys (And the Winner Is...)" off his newest album "American Gangster." After a tepid reaction to his comeback last year, Jay-Z starts anew with an all-star video,...

You watched the official video, now watch the king do his thing on-stage. Backed by a full band, Jay-Z hits the mic live on David Letterman's floor. If the rest of the tracks are like this, it might just be his best album...