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LAS VEGAS, NV - SEPTEMBER 19:  Rapper Big Sean waits to be introduced at the 2015 iHeartRadio Music Festival at MGM Grand Garden Arena on September 19, 2015 in Las Vegas, Nevada.  (Photo by Ethan Miller/Getty Images for iHeartMedia)
LAS VEGAS, NV - SEPTEMBER 19:  Rapper Big Sean waits to be introduced at the 2015 iHeartRadio Music Festival at MGM Grand Garden Arena on September 19, 2015 in Las Vegas, Nevada.  (Photo by Ethan Miller/Getty Images for iHeartMedia)

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    Big Sean: Investing in Detroit youth

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Big Sean: Investing in Detroit youth

Grammy-nominated rapper Big Sean using foundation to help Detroit youth.

Big Sean: Investing in Detroit youth

Grammy-nominated rapper Big Sean using foundation to help Detroit youth.