Going the other way, using a sound analogy to teach color theory, I played with a {B4:red,C:orange,C#:yellow,D:green,D#:green,E:blue,F:violet} map - frequency s

Going the other way, using a sound analogy to teach color theory, I played with a {B4:red,C:orange,C#:yellow,D:green,D#:green,E:blue,F:violet} map - frequency scaling with offset. With an equalizer-like keyboard - intensity from touch location, and displayed on the key. So kbd/equalizer to synth to spectrogram to scale-and-offset to pretend-they-are-lasers to a restricted spectra to color space and color. Keyboarding color in a color space via spectra.