Is this an actual scale mode, like Phrygian, Locrian, etc, or is it just a constructed scale?

C, D, E, F G#, A, A# (C)

So, root, major second, major third, perfect forth, augmented fifth, major sixth and minor seventh.

  • @Dom's answer is more complete than what is available on this website, but it's nonetheless a good starting place if you're trying to identify a scale: scales-chords.com/scalefinder.php
    – Alex
    Oct 13, 2015 at 0:42

1 Answer 1


Yes this scale actually exits and it's a mode of A Neapolitan Minor which contains the notes:

A  Bb  C  D  E  F  G# A

This scale starting on C in particular would be called Mixolydian Augmented due to it resembling the Mixolydian scale, but one where you would create an augmented chord off the tonic chord.

C  D  E  F  G#  A  Bb  C

You can also think of this scale as a mix of major and minor where you would just not use the 5th and both types of 6ths and strictly use the minor's 7th as such.

C  D  E  F  Ab A Bb
  • Augmented tonic... why do Augmented / Diminished modes exist when their tonic triads can't work as "tonic" in standard usage?
    – user53472
    Jan 24, 2019 at 23:32
  • @RailroadHill I'm not sure what you are trying to say. If you are using one of these scale you are probably already a few steps away from traditional harmony so talking about standard usage isn't very useful.
    – Dom
    Jan 24, 2019 at 23:46

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