Kemar Donaldson popularly known as Kranium, is a Jamaican reggae and dancehall singer known for his 2013 hit single "Nobody Has To Know" which gave him an international recognition and led him to the Atlantic Records record label. The nephew of Screwdriver, he was in Montego Bay before moving to Miami, Florida in the United States in 2005. He moved to New York City one year later. His career began with a series of appearances in New York City and the tri-state area. He opened shows for Gyptian, Serani, I-Octane and Tarrus Riley. His song, "Nobody Has to Know", produced by PLMR Productions, played on ethnic radio stations in New York City, including the influential Hot 97 FM. "Nobody Has To Know" sold more than 39,000 copies in 2015, peaking at no. 32 on the Reggae Digital Songs chart. Kranium has been working with producers including Tony Kelly, TJ Records and Cash Flow.