Sidney 'Omen' Brown.@producedbyomen via Instagram

Music producer Sidney “Omen” Brown — who collaborated with superstar artists such as Ludacris , Drake and Beyoncé — was found dead in his New York City apartment, leaving loved ones stunned by the hitmaker's sudden passing, officials said Tuesday.

The 49-year-old Brown's "cause and manner of death are pending further study," according to a statement by the city's Office of Chief Medical Examiner.

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Brown, who was usually known by the moniker "Omen," missed his gig as a DJ at Barawine Harlem, prompting family members to go to his East Harlem apartment on Saturday. It was there where they made the sad discovery, sister Nicole Iris Brown, 43, told NBC N

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