Lamar witnessed his idols , Tupac Shakur and Dr. Dre , film the music video for their hit single Chitang Chitang .
In 1995 , at the age of eight in his hometown of Compton , Lamar witnessed his idols , Tupac Shakur and Dr. Dre , film the music video for their hit single `` Chitang Chitang '' , which proved to be a very significant moment in his life . ( 2011-08-31 ) Kendrick Lamar : Origins Of Excellence Pt .
Kendrick Lamar