| Arranging notes into a series by order of pitch results in a musical scale. The modern system of scale building is based on the chromatic scale, which is composed of 12 equally divided semitones. The interval between any two successive tones in the chromatic scale is known as a half step. Most Western music relies on the diatonic scale, formed from seven notes of the chromatic scale and utilizing two half tones (chromatic intervals) and five whole tones. Whole tone scales are made up of only whole steps. A pentatonic scale is a five-toned scale and typically combines whole tones with step-and-a-half intervals. As is the convention, the octave is included in the scales pictured. |
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