Knock You Down (A Tribute to Keri Hilson and Kanye West and Neyo) is and Unknown album released in 2013. There is one song in Knock You Down (A Tribute to Keri Hilson and Kanye West and Neyo). The song was composed by Chart Hit Factory, a talented musician. Listen to all of Knock You Down (A Tribute to Keri Hilson and Kanye West and Neyo) online on JioSaavn.