When I play a chord you don't hear anything until the drummer hits a pad. The louder the drum notes, the more inverted the chord triggered by the computer is played on the synthesizer. One player controls the timing, the other the harmony. Dynamic of note controls the level of the triggered notes that follow, played by the computer. Duration of the performer's last note determines the computer's pulse for the notes that follow, the performer's pitch determines the computer's register.
Computer chooses notes of random pitch around the pitch of the last note from the performer.
Then we hear the same tune, but now the patch changes the pitches, making louder notes coming out in higher octaves. I'm sustaining on the keyboard with my right hand. When I play a chord you don't hear anything until the drummer hits a pad. The louder the drum notes, the more inverted the chord triggered by the computer is played on the synthesizer. One player controls the timing, the other the harmony.