NASHVILLE, Tenn. (AP) — Presidential elections are usually serious business, but President obama" class="autolink">Barack Obama and likely Republican nominee Mitt Romney are taking a little time for laughs during Wednesday night's CMT Music Awards.

Obama and Romney have taped video segments that will appear as part of the country music award show's opening segment.

The fun kicks off at 8 p.m. Eastern from Nashville's Bridgestone Arena on CMT with hosts Toby Keith and Kristen Bell. A host of celebrities from across the entertainment dial are scheduled to appear as well, but they'll be battling for attention with the focus on Obama and Romney.

It's not the first time presidential politics have played a role at the CMTs. Obama and his Democratic challenger Hillary Rodham Clinton and their Republican opponent John McCain taped segments.

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