Altered scale jazz piano

1. What is the altered scale in jazz?
2. What is an altered scale piano?
3. What mode is the altered scale?
4. How do you calculate altered scale?

What is the altered scale in jazz?

In jazz, the altered scale, altered dominant scale, or the Palamidian Scale, is a seven-note scale that is a dominant scale where all non-essential tones have been altered.

What is an altered scale piano?

Altered scales include one or more notes that is lowered or raised compared to its main variation. For example, Altered Locrian b4 that is identical to the Locrian Scale except for the flatted fourth. Altered scales are based on the same principles as altered chords.

What mode is the altered scale?

The altered scale is the 7th mode of the melodic minor scale, which means that it is like playing Ab melodic minor starting from the note G. The altered scale is used to solo over dominant 7th chords, both in major and minor keys.

How do you calculate altered scale?

To find the appropriate notes for an altered scale, simply go up a half step from the root of the chord and play the ascending form of the melodic minor scale (a major scale with a flatted third). So, on G7, you would play Ab melodic minor starting on G, and voila, you're playing G altered.