F Dominant 7th Sharp Fifth

Symbols:F7#5
Scale Degree Formula:1-3-#5-♭7
Interval Stack:M3 + M3 + M2
Notes:F, A, C#, D#
Hear this chord:▸ Synth

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-♭7, 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 root 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:
F1F#♭2G2G#♭3A3Bb4B♭5C5C##5D6D#♭7M3M3M2

Similar Chords

The following chords are similar to this chord and may be a suitable replacement in certain scenarios.

Chord TypeChords
7th Suspended SecondD#7sus2
Added 9thC#add9
AugmentedFaug, C#aug, Aaug
Augmented Major 7thF+Maj7, C#+Maj7, A+Maj7
Dominant 7thF7
Dominant 7th Flat FifthF7b5, D#7b5, B7b5, A7b5
Dominant 7th Flat ThirteenthF7b13
Dominant 7th Sharp Five Flat 9thF7#5b9
Dominant 7th Sharp Five Sharp 9thF7#5#9
Dominant 9th Flat FifthD#9b5, B9b5
Dominant 9th Sharp FifthF9#5, C#9#5
Half-Diminished 7thD#m7(b5)
Major 2ndC#2
Major 7th Flat FifthAMaj7b5
Minor 6thF#m6
Minor 9th Flat FifthD#m9b5
Minor Added 11thBbmadd11
Minor Major 7thF#mM7, DmM7, BbmM7

Associated Scales

This chord can be found in the following scales.

ScaleRoots
Dorian b5D#
Harmonic MajorC#
Harmonic MinorBb
Ionian #5C#
Locrian bb7C
Locrian ♮6C
Lydian #9F#
Lydian Augmented #2A
Lydian b3F#
Mixolydian b2G#
Phrygian DominantF
Phrygian b4F
Super-Locrian bb7A
Ukrainian DorianD#

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