Poly After Touch Polyphonic After Touch events are displayed in a fashion similar to notes. Poly After Touch values can range from 0-127 and are specific to MIDI note numbers. The Pitch field designates the MIDI note number corresponding to the Poly After Touch data. The Velocity field designates the value of the Poly After Touch data. See Also: Note events Controllers events Programs events After Touch events (Channel pressure) Pitch Bend events System Exclusive events Bank Select