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The half diminished scale is a seven-note musical scale. It is more commonly known as the Locrian ♯ 2 scale [1] or the Aeolian ♭ 5 scale, names that avoid confusion with the diminished scale and the half-diminished seventh chord (minor seventh, diminished fifth). It is the sixth mode of the ascending melodic minor scale.
The whole-half diminished scale is commonly used in conjunction with diminished harmony (e.g., the E dim7 chord) while the half-whole scale is used in dominant harmony (e.g., with an F ♭ 9 chord).
List of musical scales and modes Name Image Sound Degrees Intervals Integer notation # of pitch classes Lower tetrachord Upper tetrachord Use of key signature usual or unusual ; 15 equal temperament
In major scales, a diminished triad occurs only on the seventh scale degree. For instance, in the key of C, this is a B diminished triad (B, D, F). Since the triad is built on the seventh scale degree, it is also called the leading-tone triad. This chord has a dominant function.
The instrumentalist improvising a solo may use scales that work well with certain chords or chord progressions, according to the chord-scale system. For example, in rock and blues soloing, the pentatonic scale built on the root note is widely used to solo over straightforward chord progressions that use I, IV, and V chords (in the key of C ...
Diminished seventh chords may also be rooted on scale degrees other than the leading-tone, either as secondary function chords temporarily borrowed from other keys, or as appoggiatura chords: a chord rooted on the raised second scale degree (D ♯ –F ♯ –A–C in the key of C) acts as an appoggiatura to the tonic (C major) chord, and one ...
The half-diminished seventh plays the vii ø 7 role. While absent from the tertian harmonization of the major scale, The diminished seventh plays the vii o 7 role in the tertian harmonization of the harmonic minor scale. [81] Besides these five types there are many more seventh-chords, which are less used in the tonal harmony of the common ...
This scale is sometimes called the Phrygian dominant scale and is the only scale that keeps all the chord tones on the beat across the ii–V sequence. The " Tristan chord " is sometimes described as a half-diminished seventh chord; however, the term "Tristan chord" is typically reserved for a very specific harmonic function , especially ...