KRS-One shares valuable secrets on the history, meaning and philosophy of Hip-Hop. Slavery, education, spirituality, culture, modern society, war, economics, mainstream hip-hop and much more were discussed at this historical event. This lecture was held during Hip-Hop Appreciation Week in Amsterdam, The Netherlands. There, KRS-One held his forty years of Hip-Hop lecture in the Bijlmer neighborhood. Watch "40 Years of Hip-Hop" by KRS-One below, click through to see full credits.