[{"Bold_text": "noun", "List Items": ["Music.the sum of relations, melodic and harmonic, existing between the tones of a scale or musical system.a particular scale or system of tones; a key.", "the sum of relations, melodic and harmonic, existing between the tones of a scale or musical system.", "a particular scale or system of tones; a key.", "(in painting, graphics, etc.) the system of tones or tints, or the color scheme, of a picture.", "the quality of tones."]}]