"Numb" is a song recorded by Barbadian recording artist Rihanna for her seventh studio album Unapologetic (2012). It features guest vocals by [[Eminem], making it the pair's third collaboration since the two versions of [Love The Way You Lie. It was written by Sam Dew, Rihanna Fenty, Warren „Oak” Felder, Ronald "Flip" Colson and Andrew Wansel. The song was produced by Oak, Flip and Pop Wansel. Musically "Numb" is a hip hop and R&B song which instrumentation consists of an Egyptian flute riff and "a crashing bombastic beat." It contains a sample of Kanye West's song "Can't Tell Me Nothing", written by West and Aldrin Davis. The song's lyrical content is "controversial" as it is about feeling "numb after taking drugs." and a "homage to getting high."