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LOS ANGELES, CA - FEBRUARY 15: Recording artist Stevie Wonder (C) and the Pentatonix perform onstage during The 58th GRAMMY Awards at Staples Center on February 15, 2016 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)

LOS ANGELES, CA - FEBRUARY 15:  Recording artist Stevie Wonder (C) and the Pentatonix perform  onstage during The 58th GRAMMY Awards at Staples Center on February 15, 2016 in Los Angeles, California.  (Photo by Kevork Djansezian/Getty Images)