Keri Hilson ft. Kanye West & Ne-Yo - Knock You Down (Backing track) ID: GLU1107 All files available for download are covers, they are not by the original artist. Your browser does not support the audio tag. New songs alert Technical Info Key:Bb Length:4:34 Tempo:155 bpm Ending:Proper Ending Bitrate:256 kB/s Samplerate:44 100 Hz File Size:8.36 MB File Format:MPEG 1 Layer 3 (Stereo) Type:Backing Track Style: Pop, 2000s €4.84 BUY With Backing Vocals BUY Without Backing Vocals BUY With Lead vocal (to learn the song)