Symbols:G#add9, G#Majadd9, G#Madd9
Chords » G# Added 9th
Construction
Using the scale degree formula, we first start with the G# major scale, and number each note in the scale starting from
1 - these are the scale degrees. Next, we use the scale degree formula, in this case 1-3-5-9, to select notes from our enumerated scale. When a chord requires notes that are not in the scale, this is indicated with a flat (♭) or a sharp (#) along with the scale degree; a ♭3, for instance, would be one half-step down from the 3rd scale degree.
Alternatively, we can use the interval stack to construct our chord. With this approach, we first start with the lowest note of the chord (G#), then move our first interval (M3), which brings us to our second note in the chord (C). We repeatedly apply each of the remaining intervals in the stack to get the full list of notes for our chord.
The diagram below shows how both the scale degree formula and interval stack
methods result in the same selection of notes:
Similar Chords
The following chords are similar to this chord and may be a suitable replacement in certain scenarios.
| Chord Type | Chords |
|---|---|
| 7th Suspended Fourth | F7sus, D#7sus, Bb7sus |
| 7th Suspended Second | G#7sus2, Bb7sus2 |
| Augmented Major 7th | E+Maj7 |
| Diminished Major 7th | AdimMaj7 |
| Dominant 7th | G#7 |
| Dominant 7th Sharp Fifth | C7#5 |
| Dominant 7th Sharp Five Sharp 9th | C7#5#9 |
| Dominant 9th | G#9 |
| Half-Diminished 7th | Cm7(b5) |
| Major | G# |
| Major 2nd | G#2 |
| Major 6th | G#M6, D#M6 |
| Major 7th | G#M7 |
| Major 7th Flat Fifth | EMaj7b5 |
| Major 9th | G#M9 |
| Major Added 11th | G#add11, D#add11 |
| Minor 2nd | G#m2 |
| Minor 6th | D#m6 |
| Minor 7th | Fm7, Cm7 |
| Minor 7th Flat Thirteenth | Cm7b13 |
| Minor Added 11th | Fmadd11, D#madd11 |
| Minor Added 9th | G#madd9 |
| Six-Nine | G#6/9 |
| Suspended Fourth | D#sus |
| Suspended Second | G#sus2 |
Associated Scales
This chord can be found in the following scales.
| Scale | Roots |
|---|---|
| Blues | F |
| Blues Major | D# |
| Blues Minor | C |
| Dorian | F, D#, Bb |
| Dorian b5 | Bb |
| Harmonic Major | G# |
| Locrian | G, D, C |
| Locrian bb7 | G |
| Lydian | F#, C#, G# |
| Lydian Augmented #2 | E |
| Lydian b3 | C# |
| Major | D#, C#, G# |
| Major Pentatonic | G# |
| Minor | F, C, Bb |
| Minor Pentatonic | F |
| Mixolydian | D#, Bb, G# |
| Mixolydian b2 | D# |
| Phrygian | G, F, C |
| Phrygian b4 | C |
| Suspended | Bb |
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About the Algorithms
Read about the algorithms and methods used in constructing chord details.