"Check It Out" features the nearly constant repetition of the piano and vocal hook from The Buggles' 1979 classic 'Video Killed the Radio Star,' which is famous for being the first video ever played on MTV [REF].
The special remix also features Cheryl Cole, but both versions of the song were released in the UK for digital download on October 31, 2010 and CD on November 1, 2010.