Prism

Spectral instruments

Pick a screen

Keyboard, guitar, and pan flute are separate instruments. Open one, play, then come back here to switch.

Keyboard

Two-octave spectral piano. Landscape, full-width keys.

Guitar

Portrait. Six strings, first five frets, strum at the bottom.

Pan flute

High and low ranks in E minor. Enough range for Sound of Silence.