After two years, the first biography of rap artist, Kendrick Lamar, will be released October 13, 2020, according to journalist and music critic, Marcus J. Moore. The announcement was made yesterday on Twitter. He wrote: “After almost two years, I can thankfully say this: ‘The Butterfly Effect: How Kendrick Lamar Ignited the Soul of Black America’ is out 10/13 via Atria Books.”