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  2. Enharmonic equivalence - Wikipedia

    en.wikipedia.org/wiki/Enharmonic_equivalence

    In ancient Greek music the enharmonic was one of the three Greek genera in music in which the tetrachords are divided (descending) as a ditone plus two microtones. The ditone can be anywhere from ⁠ 16 / 13 ⁠ to ⁠ 9 / 7 ⁠ (3.55 to 4.35 semitones) and the microtones can be anything smaller than 1 semitone. [5] Some examples of enharmonic ...

  3. Equivalence class (music) - Wikipedia

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

    G and B are enharmonic equivalents, both the same as A ♮ Enharmonically equivalent key signatures of B ♮ and C ♭ major, each followed by its respective tonic chord In music theory , equivalence class is an equality ( = ) or equivalence between properties of sets (unordered) or twelve-tone rows (ordered sets).

  4. 15 equal temperament - Wikipedia

    en.wikipedia.org/wiki/15_equal_temperament

    In addition, enharmonic equivalences from 12-EDO are no longer valid. It yields the following chromatic scale: C, C ♯ /D ♭, D, D ♯ /E ♭, E, E ♯ /F ♭, F, F ♯ /G ♭, G, G ♯, A ♭, A, A ♯ /B ♭, B, B ♯, C One possible decatonic notation uses the digits 0-9. Each of the 3 circles of 5 fifths is notated either by the odd ...

  5. Natural (music) - Wikipedia

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

    Most notes showing a double-flat or double-sharp correspond in pitch with a natural note but, since they are notated differently, are considered enharmonic equivalents of the natural note. The same is true for F ♭, C ♭, E ♯, and B ♯.

  6. E (musical note) - Wikipedia

    en.wikipedia.org/wiki/E_(musical_note)

    F ♭ is a common enharmonic equivalent of E, but is not regarded as the same note. F ♭ is commonly found after E ♭ in the same measure in pieces where E ♭ is in the key signature , in order to represent a diatonic , rather than a chromatic semitone; writing an E ♭ with a following E ♮ is regarded as a chromatic alteration of one ...

  7. E-flat minor - Wikipedia

    en.wikipedia.org/wiki/E-flat_minor

    E-flat minor is a minor scale based on E ♭, consisting of the pitches E ♭, F, G ♭, A ♭, B ♭, C ♭, and D ♭.Its key signature consists of six flats.Its relative key is G-flat major (or enharmonically F-sharp major) and its parallel key is E-flat major.

  8. D-flat minor - Wikipedia

    en.wikipedia.org/wiki/D-flat_minor

    D-flat minor is usually notated as the enharmonic key of C-sharp minor, as in the second and third measures of Amy Beach's Canticle of the Sun. [1] However, unusually, two of Verdi's most well-known operas, La traviata and Rigoletto, both end in D-flat minor (although written with the five-flat key signature of the parallel major).

  9. Equal temperament - Wikipedia

    en.wikipedia.org/wiki/Equal_temperament

    12 tone equal temperament chromatic scale on C, one full octave ascending, notated only with sharps. Play ascending and descending ⓘ. An equal temperament is a musical temperament or tuning system that approximates just intervals by dividing an octave (or other interval) into steps such that the ratio of the frequencies of any adjacent pair of notes is the same.