Rapper to headline Summerfest concert

The man of the moment, Kendrick Lamar has been announced as the headliner of this year's Summerfest concert.

The rapper whose album is expected to sell over 300, 000 copies in its first week will perform alongside a special guest, his record label mate ScHoolboy Q.

The show is billed for July 1, 2015 at the Marcus Amphitheater in Milwaukee.

Kendrick's latest album '.