In 2014, being a famous musician is about so much more than selling records, at least if you want to turn a profit. And any popular star has probably found a way to turn the love of their fan base into at least one or two extra revenue streams, or to invest their songwriting royalties into something profitable outside of music. Often, these are splashy branding opportunities that trade on the artist’s name recognition, like Beats by Dre. But sometimes the musician’s involvement in a company is kept quiet, or simply doesn’t make too much noise in the mainstream press. With that said, here are Artist Side Hustles You Haven’t Heard About Yet.