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Chromatic scale drawn as a circle The diatonic scale notes (above) and the non-scale chromatic notes (below) [2] The twelve notes of the octave—all the black and white keys in one octave on the piano—form the chromatic scale. The tones of the chromatic scale (unlike those of the major or minor scale) are all the same distance apart, one ...
Play ⓘ Downmajor scale on C in 15 equal temperament. Play ⓘ Major chord (parsimonious trichord [2]) on C in 15 equal temperament: all notes within 18 cents of just intonation (rather than 14 for 12 equal temperament). Play 15-et ⓘ, Play just ⓘ, or Play 12-et ⓘ
The diatonic scale notes (above) and the non-scale chromatic notes (below) [13] Medieval theorists defined scales in terms of the Greek tetrachords. The gamut was the series of pitches from which all the Medieval "scales" (or modes, strictly) notionally derive, and it may be thought of as constructed in a certain way from diatonic tetrachords.
The chromatic circle is useful because it represents melodic distance, which is often correlated with physical distance on musical instruments. For instance, assuming 12-tone equal temperament, to move from any C on a keyboard to the nearest E, one must move up four semitones, corresponding to four clockwise steps on the chromatic circle.
It can be seen that only two notes of the chromatic scale, C ♯ and D ♯, are missing. An analogous arrangement existed for keyboards with G instead of C at the bottom. According to Trevor Pinnock, [5] the short octave is characteristic of instruments of the 16th century. He adds, "in the second half of the 17th century, when more accidentals ...
Chromatic fourth: lament bass bassline in Dm (D–C ♯ –C(♮)–B–B ♭ –A) The diatonic scale notes (above) and the non-scale chromatic notes (below) [1] Chromaticism is a compositional technique interspersing the primary diatonic pitches and chords with other pitches of the chromatic scale. In simple terms, within each octave ...
The modern keyboard is designed for playing a diatonic scale on the white keys and a pentatonic scale on the black keys. Chromatic scales involve both. Chromatic scales involve both. Three immediately adjacent keys produce a basic chromatic tone cluster.
According to Bob Gilmore the piece, "take[s] extended just intonation well beyond the point reached by Harry Partch." [1] "The piano is tuned to a selection of overtones from the fifth octave of the harmonic spectrum of C. All octaves are tuned in the same scale....The lowest C (33 Hz.) can be used to tune the scale by ear.