With the 2012 presidential election less than a month away, Jay-Z is once again lending his support to the Barack Obama campaign. In a new video ad released today, the Brooklyn-bred hip hop mogul pushed President Obama’s impact on the nation and urged Americans to exercise their right to vote.

"When the president got in the office initially, what he represented to a nation of kids was hope, the hope of people all across the country who would look and see themselves and know the possibilities," Jay-Z said over the visuals of last month’s Made in America concert, where the president spoke to those in attendance via a recorded video message.

For Jay, this new public service announcement falls in line with his long-time endorsement of the president. In 2008, Jay openly endorsed presidential candidate Obama and he famously recorded the remix to Young Jeezy's "My President is Black" after Obama was elected the 44th president of the U.S.

To assure his guy stays in the White House, Jay encouraged those with the power to vote to stand up and be heard.

"For so long, there was this voice that was silenced out there as far as exercising the right to vote. I think it was a voice that was silent because people had lost hope. People didn't believe that their voice mattered or counted. They thought it was just policies, people going back and forth and at the end of the day, it never trickled down to where we live," he said. "Now, people are exercising their right and you're starting to see the power of our vote. It means something for the first time for a lot of people, having someone in office who understands how powerful our voice can be. It's very important."

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(Photos from left: Hugh Dillon/WENN.com, Allan Tannenbaum-Pool/Getty Images)