The scale with a lowered seventh is the Mixolydian scale. You might be looking for the Hijass scale .
bending (lowering) the 3rd, 5th, and 7th scale degree
In a melodic minor scale, the 6th and 7th degree of the scale is raised up 1 half step on the way up the scale. On the way back down the scale, the 6th and 7th are back down to the natural form of the minor.
The 7th scale degree in the C harmonic minor scale is B natural. In the harmonic minor scale, the seventh degree is raised by a half step compared to the natural minor scale, resulting in this alteration. The C harmonic minor scale consists of the notes C, D, E♭, F, G, A♭, and B natural.
Bb Harmonic Minor has 4 flats, since in the harmonic version of the scale the A flat (7th degree) is raised to A natural.
Melodic Minor
When ascending, the melodic minor scale has a raised 6th and 7th scale degree, but those two notes are lowered when descending.
bending (lowering) the 3rd, 5th, and 7th scale degree
In a melodic minor scale, the 6th and 7th degree of the scale is raised up 1 half step on the way up the scale. On the way back down the scale, the 6th and 7th are back down to the natural form of the minor.
Raises the 7th degree of that scale.
Raises the 7th degree of that scale.
The 7th scale degree in the C harmonic minor scale is B natural. In this scale, the notes are C, D, E♭, F, G, A♭, and B natural, followed by C again. The raised 7th degree (B natural) distinguishes the harmonic minor scale from the natural minor scale, enhancing the leading tone function.
The aeolian scale is a type of minor scale, specifically the natural minor scale. The main difference between the two is that the aeolian scale has a lowered 6th and 7th degree compared to the major scale, while the minor scale can have different variations like harmonic or melodic minor with different alterations to certain degrees.
The melodic minor scale is played differently when ascending and descending. When ascending, the scale is played with a raised 6th and 7th note, while when descending, the scale is played with a lowered 7th and 6th note.
The leading tone in a scale is the 7th scale degree, one half-step below the tonic.
The 7th scale degree in the C harmonic minor scale is B natural. In the harmonic minor scale, the seventh degree is raised by a half step compared to the natural minor scale, resulting in this alteration. The C harmonic minor scale consists of the notes C, D, E♭, F, G, A♭, and B natural.
The melodic minor scale is played ascending with a raised 6th and 7th note, while it is played descending with a lowered 7th and 6th note.
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