Released in 2009, "" is a standout R&B and hip-hop collaboration by American singer-songwriter Keri Hilson , featuring Kanye West and Ne-Yo . The track served as the fourth single from Hilson's debut album, In a Perfect World... , and became one of her most successful releases. Core Themes & Lyrics
in New Zealand , where it was certified quadruple platinum. Keri Hilson - Knock You Down ft. Kanye West, Ne-Yo
It features a "moderate R&B groove" in the key of G minor , beginning with a rap intro by Kanye West over stabbing synth riffs. Released in 2009, "" is a standout R&B
Watch the official music video and live performances to experience the narrative and vocal chemistry of this R&B classic: Released in 2009
The song also earned a nomination for at the 52nd Grammy Awards .