Chords » D# 7th Suspended Second (1st inversion)

Symbols:D#7sus2/F
Scale Degree Formula:1-4-#5-♭7
Interval Stack:P4 + m3 + M2
Notes:F, Bb, C#, D#
Hear this chord:▸ Guitar

Construction

This chord is an inversion of the D# 7th Suspended Second chord, so construction is a little different from standard chords. An inversion is the same as the base version of a chord, though its notes are played in a different order. For this inversion, you'll start with the notes of the base chord (D#, F, Bb, C#), then count 1 to the right to find the lowest note of this chord (F). The rest of the notes to the right of this continue this chord, and then we 'wrap around' to the beginning, until we have reached our new first note. After all of this, we end up with the final notes for this inversion: F, Bb, C#, D#.
You can also use the more traditional methods described below, though you'll need to start from the lowest note as described above to find your starting point. The scale degree and interval stack listed above are from the perspective of this interval, so they'll produce the same notes as the base chord, but in the order required by this inversion.
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 1-4-#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 lowest note of the chord (F), then move our first interval (P4), which brings us to our second note in the chord (Bb). 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#♭7P4m3M2

Similar Chords

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

Chord TypeChords
7th Suspended FourthF7sus, D#7sus, Bb7sus
7th Suspended SecondD#7sus2
Added 9thD#add9, C#add9
Dominant 7thD#7
Dominant 7th Sharp FifthF7#5
Dominant 9thD#9
Half-Diminished 7thGm7(b5)
Major 2ndD#2, C#2
Major 6thF#M6, C#M6
Major 7thF#M7
Major 7th Flat FifthBMaj7b5
Major 9th Flat FifthBMaj9b5
Major Added 11thBbadd11
MinorBbm
Minor 2ndD#m2, Bbm2
Minor 6thBbm6
Minor 7thD#m7, Bbm7
Minor 9thD#m9
Minor Added 11thBbmadd11
Minor Added 9thD#madd9, Bbmadd9
Minor Major 7thBbmM7
Six-NineC#6/9
Suspended FourthBbsus
Suspended SecondD#sus2

Associated Scales

This chord can be found in the following scales.

ScaleRoots
BluesBb
Blues MajorG#
Blues MinorF
DorianD#, Bb, G#
Harmonic MinorBb
Ionian #5C#
LocrianC, G, F
Locrian ♮6C
LydianC#, B, F#
Lydian #9F#
MajorC#, G#, F#
Major PentatonicC#
MinorD#, Bb, F
Minor PentatonicBb
MixolydianD#, C#, G#
PhrygianC, Bb, F
Phrygian DominantF
Super-Locrian bb7A
SuspendedD#
Ukrainian DorianD#

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