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US rapper Common has said president-elect Barack Obama will make hip-hop more positive.

The rapper told CNN that musicians would have to embrace different subjects following Mr Obama's election victory.

"I really do believe we as hip-hop artists pick up what's going on in the world,” he said. "I think hip-hop artists will have no choice but to talk about different things and more positive things.

“Try to bring a brighter side to that because, even before Barack, I think people had been tired of hearing the same thing."

Common was one of a number of musicians that voiced their support for Mr Obama during his presidential campaign.

CLICK HERE to see other supporters of Mr Obama.

As previously reported on Gigwise, Elvis Costello will headline Barack Obama's inauguration concert in Washington DC on January 20th.