Tinashe, whose hit "2 On" was produced by DJ Mustard, performs on stage in December. Emmerson/Corbis hide caption

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Beyonce's performance during the 2014 MTV Video Music Awards in August included clips of a speech about feminism by author Chimamanda Ngozi Adichie. Kevin Winter/MTV1415/Getty Images for MTV hide caption

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Top row: Weezer; Middle row: Run The Jewels, Beyonce; Bottom row: St. Vincent, FKA Twigs, Beck Courtesy of the artists hide caption

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Beyonce. Nick Farrell Photography/Courtesy of Columbia Records hide caption

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Beyonce in her most recent Pepsi ad, which premiered her song "Grown Woman." Courtesy of Pepsi Co. hide caption

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Ryan Tedder performs with OneRepublic in 2011. Doug Pensinger/Getty Images hide caption

itoggle caption Doug Pensinger/Getty Images