(It also seems to me that the triggering of the styles is instantaneous so you have to be time-perfect to be able to produce a good groove, otherwise you will have the little "jumps" in rhythm every time you hit a chord, more noticeable in the first minute of the video.)

ok, not the chord, is assigned a guitar in his right hand
ok, no son los acorde, es una guitarra asignada en la mano derecha