Its been a rocky and controversial few months for Rap Genius, but persistence appears to have paid off. The platform, which launched as a repository of information about rap music, has added $40 million in Series B funding led by Dan Gilbert and Andreesen Horowitz. With the cash influx, the sight will re-brand a Genius.com and move beyond rap. The new funding brings the company's total to $55.6 million at a valuation under $1 billion. Over the last year, Rap Genius has tussled with music publishers over rights, Google over online marketing tactics and just about everyone else after a...

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