Home Albums Knock Em Down (feat. Waka Flocka Flame) - Single Knock Em Down (feat. Waka Flocka Flame) - Single (13 years) album Release day: Wednesday, November 17, 2010 Knock Em Down (feat. Waka Flocka Flame) - Single 13 years old Artists Grafh Name Grafh When album released, He was 28, now 42 years old # Song Play 1 Knock Em Down (feat. Waka Flocka Flame) by Grafh Duration: 03:58 Your browser does not support the audio file player.