Dr Dre: The first ‘hip-hop billionaire’?

As expected, Beats co-founders Iovine and rapper Dr. Dre will join Apple as part of the acquisition of the music-streaming and audio-equipment company.

By most accounts, Apple’s $3bn (£1.8bn) acquisition of the Beats headphone and music streaming service will increase Dre’s net worth making him, if not hip-hop’s first billionaire, certainly hip-hop’s wealthiest man