Knock You Down (feat Kanye West & Ne Yo) Sin... Access

: It reached #3 on the Billboard Hot 100 and topped the Hot R&B/Hip-Hop Songs chart in the U.S.. Internationally, it hit #1 in New Zealand and reached the top five in the UK and Ireland.

The lyrics explore how a powerful love can unexpectedly "knock you down," often depicted as a metaphor for falling so hard for someone that it disrupts your usual composure. Knock You Down (feat Kanye West & Ne Yo) Sin...

: It is set in the key of G minor with a moderate R&B groove and features electronic tones, "stabbing" synths, and a thumping bass-beat. Chart Performance and Accolades : It reached #3 on the Billboard Hot

: The song was serviced to U.S. rhythmic and urban radio on April 7, 2009, followed by mainstream airplay on April 14, 2009. : It is set in the key of

Directed by , the music video premiered on March 12, 2009.

: The song presents a narrative arc. Hilson describes a perfect love gone wrong, Ne-Yo represents a new, fulfilling love, and Kanye West provides a rap interlude reflecting on the heartbreak of a lost relationship.