What chord progression is this ?

Chords, scales, harmony, melody, etc.
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Ok, could you tell me which chord progression and scale this might be.

Simply using the following chords:

Cmin - C#maj - Fmin - D#maj

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it's iii - IV - vi - V in Ab.

it's a Db and an Eb maj chord, unless you want to call the other two B# minor and E# minor, and have a double sharp ("Fx") as a default note (such as in the key signature), which means for all intents and purposes this is a 'flat key'. As a sharp key, ie, that would contain a C# major chord, the scale would run: G# A# B# C# D# E# Fx.

So, it's Cm Db Fm Eb. four flats in the key; scale runs: Ab Bb C Db Eb F G.

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Ok, thanks !

This leads me to my next question..

If you would only use the two first chords Cmin - C#Maj in C Minor scale, if im not mistaken the chord progression would then be i - N6, how can i build further on this progression ?

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Subtle wrote:Ok, thanks !

This leads me to my next question..

If you would only use the two first chords Cmin - C#Maj in C Minor scale, if im not mistaken the chord progression would then be i - N6, how can i build further on this progression ?
By knowing what you have, seeing the possibilities, and just using your ears - sounds frivolous, but not the intension.
Cmin - C#Maj is 6 notes, so it depends on what you want the 7th note to be: Bb, or B, or A, or Gb, or D. But there is no need for the next chord to introduce that note. All the triad possibilities are a matter of staying within those 7 tones, and then going outside whenever it might sound good. And its all in the key of C minor, if thats your main sound. IMO, one can easily overcomplicate matters, and limit possiblities by using scale names when you just mean the key. practice artistic freedom.

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Subtle wrote:Ok, thanks !

This leads me to my next question..

If you would only use the two first chords Cmin - C#Maj in C Minor scale, if im not mistaken the chord progression would then be i - N6, how can i build further on this progression ?
you mean C minor - Db major :roll:


Neapolitan sixth is called that for a reason: the interval F to Db is a (min.) sixth. (the interval F to C# is an augmented fifth, which tends to have other implications in harmony; there are reasons for 'sharps' and 'flats', it isn't arbitrary.)


It's a version of the iv chord in minor. F Ab C; the C is taken up a half tone. You can then:

Db - C - B - C
Ab - G - G - C
F - F - F - Eb


that's a typical Neapolitan sixth move.

in C minor, if another note other than F is the bass, it isn't really a neapolitan sixth. Db F Ab, that position, is just a bII chord.
[Which (Db) naturally occurs as a IV chord in Ab, the relative major of F minor. The note Db is 'borrowed from (those keys)', in the practice period where things have names such as "Neapolitan Sixth" harmony.]

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