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  2. Semitone - Wikipedia

    en.wikipedia.org/wiki/Semitone

    In music theory, a distinction is made [7] between a diatonic semitone, or minor second (an interval encompassing two different staff positions, e.g. from C to D ♭) and a chromatic semitone or augmented unison (an interval between two notes at the same staff position, e.g. from C to C ♯).

  3. Diatonic scale - Wikipedia

    en.wikipedia.org/wiki/Diatonic_scale

    In music theory a diatonic scale is a heptatonic (seven-note) scale that includes five whole steps (whole tones) and two half steps (semitones) in each octave, in which the two half steps are separated from each other by either two or three whole steps.

  4. Interval (music) - Wikipedia

    en.wikipedia.org/wiki/Interval_(music)

    The distinction between diatonic and chromatic intervals is controversial, as it is based on the definition of diatonic scale, which is variable in the literature. For example, the interval B–E ♭ (a diminished fourth, occurring in the harmonic C-minor scale) is considered diatonic if the harmonic minor scales are considered diatonic as well ...

  5. F♯ (musical note) - Wikipedia

    en.wikipedia.org/wiki/F%E2%99%AF_(musical_note)

    F ♯ (F-sharp; also known as fa dièse or fi) is the seventh semitone of the solfège. It lies a chromatic semitone above F and a diatonic semitone below G, thus being enharmonic to sol bémol or G ♭ (G-flat) in 12 equal temperament. However, in other temperaments, such as quarter-comma meantone, it is not the same as G ♭.

  6. Diatonic and chromatic - Wikipedia

    en.wikipedia.org/wiki/Diatonic_and_chromatic

    Melodies can be based on a diatonic scale and maintain its tonal characteristics but contain many accidentals, up to all twelve tones of the chromatic scale, such as the opening of Henry Purcell's "Thy Hand, Belinda" from Dido and Aeneas (1689) with figured bass), which features eleven of twelve pitches while chromatically descending by half steps, [1] the missing pitch being sung later.

  7. Regular diatonic tuning - Wikipedia

    en.wikipedia.org/wiki/Regular_diatonic_tuning

    The diatonic semitone, d, called S above, is the change in pitch of a sequence of six notes spaced by fifths, e.g. from E to F or B to C. For any tuning, the diatonic semitone is the relative pitch difference on a standard keyboard between two white keys that have no black key between them.

  8. Minor diatonic semitone - Wikipedia

    en.wikipedia.org/wiki/Minor_diatonic_semitone

    In music, the minor diatonic semitone is a ratio of 17:16, [2] [3] making it the seventeenth harmonic [1] or partial. This is in contrast to the 5-limit major diatonic semitone of 16/15. Minor diatonic semitone on C Play ⓘ .

  9. C♯ (musical note) - Wikipedia

    en.wikipedia.org/wiki/C%E2%99%AF_(musical_note)

    C ♯ (C-sharp) is a musical note lying a chromatic semitone above C and a diatonic semitone below D; it is the second semitone of the solfège. C-sharp is thus enharmonic to D ♭. It is the second semitone in the French solfège and is known there as do dièse. In some European notations, it is known as Cis.