FILE - In this Dec. 4, 2015, file photo, Kendrick Lamar performs at Power 106's Cali Christmas 2015 in Inglewood, Calif. The Recording Academy announced Wednesday, Jan. 20, 2016, that leading nominee Kendrick Lamar will perform at the Grammy Awards on Feb. 15. (Photo by John Salangsang/Invision/AP, File)
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