Hip hop pioneer says he's on a "public campaign" against onetime friend.
Afrika Bambaataa, Warren G, Kurtis Blow, EPMD and more billed for July event.
Rap artists who've been acknowledged by their hometown officials.
Suggestions for legacies that should be memorialized on the big screen.
These artists know how to get in gear.
Eminem is the latest to work with the acclaimed director.