Jazz Scales - Diminished Scale & Double Diminished Chord

Walk That Bass
Walk That Bass
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In this series of videos I cover everything you need to know about Jazz Scales, including but not limited to:
- How scales are related to chords (the Chord-Scale System)
- Why you can use different scales over the same chord
- Commonly used jazz scales including: melodic minor modes, bebop scales, whole tone scale, diminished scale, pentatonic scale.

This Jazz Piano Tutorial is about the diminished scale.

The Diminished Scale is:
- An Octatonic Scale (i.e. it has 8 notes)
- A Symmetrical Scale (i.e. the intervals repeat in a pattern)
- There are only three possible diminished scales:
  - C = Eb = Gb = A diminished scale
  - B = D = F = Ab diminished scale
  - Bb = Db = E = G diminished scale

This is similar to the Diminished Chord, which is made up of intervals of minor 3rds and repeats at intervals of minor thirds.

For example, Cdim7 chord = Eb dim7 = Gbdim7 = Adim7

The repeating interval pattern of a diminished scale is semitone-tone-semitone-tone OR half step-whole step-half step- whole step and so on. There are two diminished scales, which are really just modes of each other. And they get their names from the interval pattern that create them. They are:

The Half-Whole Diminished Scale - used over a Dominant 7 chord
The Whole-Half Diminished Scale - used over a Diminished chord

Where Db whole-half dim scale = C half-whole dim scale. This is because Dbdim7 is a (rootless) substitute for C7b9.

In this lesson I also cover how to alter the diminished chord to make it more dissonant and the double diminished chord.

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9 سال پیش در تاریخ 1394/12/29 منتشر شده است.
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