This past Sunday, January 20th, Kendrick Lamar performed in front of a full house at the Hammersmith Apollo In London as part of the g.o.o.d. kid, m.A.A.d. city world tour.
In this HD video captured by R&R productions, Kendrick narrates over the footage and describes how he gets the crowd going during his show.
Edit: Another clip added courtesy of Yupp in the comment section.