118 Delancey st New York Freestyle Jam session with American Beatbox Champ NaPoM Nov.20th.2016 Police didn't stop US ■Twitter / musickaz ■RU-vid / thekazbeat ■facebook "Kazuo Saito" / beatboxerkaz ■Ameblo Blog ameblo.jp/music...,
He wanted old mate to be in the spot light I think. At 0:19 Napom realises that the other guy didn't take the bass in the drop so naturally he's thinking that this other guy wants to get on the drums and let Napom stay in charge of the bass. That's where he drops a liproll but then the other guy uses throat bass so he goes back to drums. Freestyling involves a lot of subtle communication from what I've seen.