About the B flat suspended four chord
B flat suspended four is used in B flat Major, where every note it holds is a scale tone. Think of it as a B♭ suspended fourth chord.
Its notes are B♭, E♭, and F. The intervals are a perfect fourth and a perfect fifth.
Also called sus. A sharp suspended four spells the same notes enharmonically.
Inversions
Position 1 of 3
B flat suspended four (root position)
Notes and intervals
| 1 | BbB♭ | Root |
|---|---|---|
| 2 | EbE♭ | Perfect 4th |
| 3 | FF | Perfect 5th |
Shapes
Chromatic
Circle of Fifths
Other B flat chords
Simpler triads
Suspended
B flat suspended two chordB flat seven suspended four chordB flat nine suspended four chordB flat thirteen suspended four chord
Sixths and sevenths
B flat six chordB flat minor six chordB flat minor flat six chordB flat seven chordB flat major seven chordB flat minor seven chordB flat minor seven flat five chordB flat diminished seven chordB flat minor major seven chordB flat major seven flat five chordB flat major seven sharp five chordB flat minor major seven flat five chord
Extensions
B flat nine chordB flat add nine chordB flat major nine chordB flat minor nine chordB flat eleven chordB flat thirteen chordB flat six nine chordB flat minor add nine chordB flat major eleven chordB flat major thirteen chordB flat minor eleven chordB flat minor thirteen chordB flat minor six nine chordB flat minor major nine chordB flat minor major eleven chord
Altered
Functional relationships
These chords are where this one most naturally comes from and resolves to inside a key.
Dominant
The dominant is a fifth above the root, and it builds tension that pulls strongly back to this chord.
Subdominant
The subdominant is a fourth above the root (a fifth below), and it usually leads on to the dominant or back home.
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