Claim: Dr. Dre was number one on Forbes' list of richest American hip-hop figures by mass.
Evidence: In 2014 , Dr. Dre was ranked as the second richest figure in the American hip hop scene by Forbes with a net worth of $ 550 million ; he is at the top of the 2015 Forbes list , with an estimated pre-tax take of $ 620 million in 2014.