Each of three lines is drawn at a certain frequency. (400hz, 500hz, 600hz) 

Frequency of sound(voice) input and note are displayed on the top left corner in real time.

The orange circle moves up and down depending on fundamental frequency of user's voice.

User can try to hit one of the lines changing his or her pitch.

When user makes the circle hit one of the lines, it brings an effect on the Lightwall.

Depending on which line the circle hits, different effect is displayed with a short text on the screen. 

(400hz - "Sweep" / 500hz - "Explode" / 600hz - "Dots")