Symbols:F#dim, F#°, F#o
F# Diminished
Construction
Using the scale degree formula, we first start with the F# 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, 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 (F#), then move our first interval (m3), which brings us to our second note in the chord (A). 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:
Associated Scales
This chord can be found in the following scales.
| Scale | Roots |
|---|---|
| Blues | F# |
| Dorian | A |
| Dorian b5 | D#, C, A, F# |
| Harmonic Major | E, C#, Bb, G |
| Harmonic Minor | E, C#, Bb, G |
| Ionian #5 | E, C#, Bb, G |
| Locrian | F# |
| Locrian bb7 | D#, C, A, F# |
| Locrian ♮6 | D#, C, A, F# |
| Lydian | C |
| Lydian #9 | D#, C, A, F# |
| Lydian Augmented #2 | D#, C, A, F# |
| Lydian b3 | D#, C, A, F# |
| Major | G |
| Minor | E |
| Mixolydian | D |
| Mixolydian b2 | F, D, B, G# |
| Phrygian | B |
| Phrygian Dominant | F, D, B, G# |
| Phrygian b4 | F, D, B, G# |
| Super-Locrian bb7 | D#, C, A, F# |
| Ukrainian Dorian | D#, C, A, F# |
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Chord Charts
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Arpeggio Charts
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About the Algorithms
Read about the algorithms and methods used in constructing chord details.