It follows the chord progression E в™вЂ“FвЂ“B в™вЂ“E в™вЂ“FвЂ“Gm. The song is set in common time, and composed in a 'moderate R&B groove.' It is written in the key of G minor, and vocals span from F 3 to D 5. The song also includes electro tones, and derives from pop and hip hop genres. 'Knock You Down' is a R&B song with a length of five minutes and twenty six seconds. Problems playing this file? See media help. Composition ДЄ sample of the chorus of 'Knock You Down', which is said to be in a 'frenetic midtempo groove' So I think that she's definitely one that deserves the spotlight.' In 'Knock You Down', Kanye West makes multiple references to Michael Jackson, and coincidentally, the song was released in numerous territories around the death of the singer. For two, her voice is incredible-on top of the fact that she can write. In a September 2008 interview with Rap-Up about a recent crop of songwriters becoming singers, Ne-Yo said 'For one, I think Keri HilsonвЂ™s too freakinвЂ™ pretty to be in the background. Hilson had appeared as Ne-Yo's love interest in the video for his song ' Miss Independent,' the second single taken from his 2008 album, Year of the Gentleman. Hilson and Ne-Yo knew each other from their days as co-songwriters. She also notably performed the song at the 2009 BET Awards, where she used the Jackson reference of the song to give a tribute performance to the late singer. Hilson performed the song a number of times, including television appearances such as on The Rachael Ray Show. The video received positive reviews, which appreciated the given performances given by the artists. It sees Hilson caught in a love triangle with her former partner West, and new-found love Ne-Yo. The song's music video was directed by Chris Robinson.

It also reached the top ten in Canada, Ireland, the United Kingdom, and the United States. 'Knock You Down' peaked at number one in New Zealand, and was certified Platinum by the Recording Industry Association of New Zealand. It was nominated for multiple awards, including Best Rap/Sung Collaboration at the 52nd Grammy Awards. However, reviewers also complimented that the song was radio-friendly. The song received generally mixed to positive reviews, with critics divided as to whether Ne-Yo and West overwhelmed Hilson's appearance. The lyrics of the song pertain to how love 'knocks you down.' Part of the song refers to Michael Jackson coincidentally it was released at the time surrounding the death of the singer. The song is a contemporary R&B and hip hop song, which includes elements of pop music. The song was released first released to rhythmic and urban airplay in the United States as the album's fourth single in the US, and it would later serve as the third worldwide single. All three artists co-wrote the song with its producer Nate 'Danja' Hills, as well as Kevin Cossom and Marcella Araica.

The song features guest vocals from Ne-Yo and Kanye West. ' Knock You Down' is a song by American singer and songwriter Keri Hilson, recorded for her debut album, In a Perfect World.

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