Jay-Z buys music streaming Aspiro for $56 million

Last year, Neil Young raised more than $6 million for his startup Pono, which makes a portable music player that emits vinyl-record quality sound. Then there’s Dr. Dre and Jimmy Iovine, who bought headphone maker Beats and later sold it to Apple for a stunning $3 billion.

Jay-Z has the wealth to make those deals, too. Not only is he one of the best-selling artists ever (with more than 100 million records sold), he also sold his Rocawear clothing line for $150 million back in 2007. Last year, Forbes estimated his net worth at $520 million.

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