B 7th Suspended Second

Symbols:B7sus2
Scale Degree Formula:1-2-5-♭7
Interval Stack:M2 + P4 + m3
Notes:B, C#, F#, A
Hear this chord:▸ Guitar

Construction

Using the scale degree formula, we first start with the B 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 1-2-5-♭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 (B), then move our first interval (M2), 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:
B1C♭2C#2D♭3D#3E4F♭5F#5G#5G#6A♭7M2P4m3

Similar Chords

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

Chord TypeChords
7th Suspended FourthF#7sus, C#7sus, B7sus
Added 9thBadd9, Aadd9
Dominant 7thB7
Dominant 7th Sharp FifthC#7#5
Dominant 9thB9
Half-Diminished 7thD#m7(b5)
Major 2ndB2, A2
Major 6thDM6, AM6
Major 7thDM7
Major 7th Flat FifthGMaj7b5
Major 9th Flat FifthGMaj9b5
Major Added 11thF#add11
MinorF#m
Minor 2ndF#m2, Bm2
Minor 6thF#m6
Minor 7thF#m7, Bm7
Minor 9thBm9
Minor Added 11thF#madd11
Minor Added 9thF#madd9, Bmadd9
Minor Major 7thF#mM7
Six-NineA6/9
Suspended FourthF#sus
Suspended SecondBsus2

Associated Scales

This chord can be found in the following scales.

ScaleRoots
BluesF#
Blues MajorE
Blues MinorC#
DorianF#, E, B
Harmonic MinorF#
Ionian #5A
LocrianG#, D#, C#
Locrian ♮6G#
LydianA, G, D
Lydian #9D
MajorA, E, D
Major PentatonicA
MinorF#, C#, B
Minor PentatonicF#
MixolydianA, E, B
PhrygianG#, F#, C#
Phrygian DominantC#
Super-Locrian bb7F
SuspendedB
Ukrainian DorianB

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