The 20 richest musicians of all time – You’ll never guess the billionaires (+Pics)

4. Dr. Dre: $700 million
Sure, the 13-years-in-the-making Detox is theChinese Democracy of rap, but give Andre Young a break—he has been busy. In part by spending the money earned from selling 10 million copies of The Chronic and Aftermath, but primarily with Beats by Dre, the omnipresent, expensive, and exceedingly bass-friendly commodity that turned branded headphones into something that rappers could ask their business managers about (see also: #20, #8). HTC bought a $300 million stake in the company last year, when it also was announced that Dre and his Beats partner Jimmy Iovine were involved in a mysterious start-up with industrial metal pioneer Trent Reznor.

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