Hungarian minor scale

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The Hungarian minor scale, double harmonic minor scale,, Gypsy minor scale or the Harmonic minor ♯4 scale is a type of combined musical scale. It is the same as the harmonic minor scale, except that it has a raised fourth scale degree to introduce an additional gap, or augmented second. It is also sometimes called the Lydian Minor scale, because the chord built on the 7th degree is a minor triad, rather than the diminished triad that we get in the regular harmonic minor scale (aka Bm in C minor.) It is a symmetrical scale with a slightly ambiguous tonal centre, due to the many half steps. Its step pattern is W, H, +, H, H, +, H, where W indicates a whole step, H indicates a half step, and + indicates an augmented second (three half steps, enharmonically equivalent to a minor third but functionally distinct). In intervallic terms, it would be described as: 1 2 ♭3 ♯4 5 ♭6 7. The scale contains two augmented seconds, one in each tetrachord. It also contains an augmented fourth between...

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