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  2. Tritone - Wikipedia

    en.wikipedia.org/wiki/Tritone

    In music theory, the tritone is defined as a musical interval spanning three adjacent whole tones (six semitones). [1] For instance, the interval from F up to the B above it (in short, F–B) is a tritone as it can be decomposed into the three adjacent whole tones F–G, G–A, and A–B.

  3. Tritone substitution - Wikipedia

    en.wikipedia.org/wiki/Tritone_substitution

    A simple comparison of the notes generally used with the given chord [notation] and the notes used in tri-tone substitution or altered dominants will reveal a rather stunning contrast, and could cause the unknowledgeable analyzer to suspect errors. ... the distinction between the two [tri-tone substitution and altered dominant] is usually a ...

  4. Tritone paradox - Wikipedia

    en.wikipedia.org/wiki/Tritone_paradox

    The tritone paradox is an auditory illusion in which a sequentially played pair of Shepard tones [1] separated by an interval of a tritone, or half octave, is heard as ascending by some people and as descending by others. [2]

  5. Augmented-fourths tuning - Wikipedia

    en.wikipedia.org/wiki/Augmented-fourths_tuning

    Because augmented fourths are alternatively called "tritones" ("tri-tones") or "diminished fifths", augmented-fourths tuning is also called tritone tuning or diminished-fifths tuning. The standard guitar-tuning E-A-d-g-b'-e' interjects exactly one major third amid four perfect fourths for the intervals between its successive open strings. In ...

  6. Tritone (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Tritone_(disambiguation)

    Tritone may refer to: . Tritone (music), or augmented fourth, a dissonant interval of two pitches; Tritone (telephony), or special information tones (SIT), a sequence of three tones played to indicate that a call did not go through

  7. Petrushka chord - Wikipedia

    en.wikipedia.org/wiki/Petrushka_chord

    The device uses tones that, together, make up a synthetic hexatonic scale (0 1 4 6 7 t). When enharmonically spelled C–D ♭ –E–G ♭ –G(♮)–B ♭, it is called the tritone scale.

  8. Chord substitution - Wikipedia

    en.wikipedia.org/wiki/Chord_substitution

    A simple comparison of the notes generally used with the given chord [notation] and the notes used in tri-tone substitution or altered dominants will reveal a rather stunning contrast, and could cause the unknowledgeable analyzer to suspect errors. ...(the distinction between the two [tri-tone substitution and altered dominant] is usually a ...

  9. Trichord - Wikipedia

    en.wikipedia.org/wiki/Trichord

    In music theory, a trichord (/ t r aɪ k ɔːr d /) is a group of three different pitch classes found within a larger group. [2] A trichord is a contiguous three-note set from a musical scale [3] or a twelve-tone row.