(n.) The principle of key in music; the character which a composition has by virtue of the key in which it is written, or through the family relationship of all its tones and chords to the keynote, or tonic, of the whole.

French pitch Klangfarbe arc lighting black and white chiaroscuro clang color classical pitch color coloring contrast decorative lighting depth direct lighting dominant dulcetness electric lighting enlightenment festoon lighting floodlighting fluorescent lighting gaslighting glow lighting height high pitch highlights illumination incandescent lighting indirect lighting irradiation key key signature keynote light and shade lighting low pitch major major key mediant mellifluence mellifluousness melodiousness melody minor musical quality musical sound musicality new philharmonic pitch note overhead lighting pedal point philharmonic pitch philosophical pitch pitch radiation register spot lighting stage lighting standard pitch strip lighting subdominant submediant subtonic supertonic sweetness timbre tone tone color tone quality tonic tonic key tune tunefulness