Root position B♭sus2
B♭ – C – F
Right hand 1-2-5Left hand 5-4-1
B♭sus2 B♭ C F Formula 1 2 5 3 notes
Also written A♯ sus2: the same keys under another name.
The B♭sus2 chord has 3 notes: B♭, C, F. No third: the second (2 half steps above B♭) replaces it, so the chord is neither major nor minor.
| Note | Interval from the root | Half steps |
|---|---|---|
| B♭ | Root | 0 |
| C | Major 2nd | 2 |
| F | Perfect 5th | 7 |
The same notes in a different order. The lowest note changes the name after the slash; the fingering below is the usual one - right hand from the lowest key up, left hand from the lowest key up too.
B♭ – C – F
Right hand 1-2-5Left hand 5-4-1
C – F – B♭
Right hand 1-3-5Left hand 5-2-1
The piano studio names these keys Fsus4/C: the same notes, read from another root.
F – B♭ – C
Right hand 1-4-5Left hand 5-3-1
The piano studio names these keys Fsus4: the same notes, read from another root.
Every key where B♭sus2 is one of the seven chords, with its Roman numeral, and the scales whose notes include all of it - the ones to improvise over it.
B♭sus2 is not a diatonic chord of any major or natural minor key.
The B♭sus2 chord (B♭sus2) is made of B♭, C, F. Its formula is 1 2 5 - the root, then the intervals of a suspended 2nd chord.
Put your right thumb on B♭ and play the other notes with fingers 1-2-5. With the left hand, use fingers 5-4-1 from the lowest key up.
root position B♭sus2 (B♭ C F); 1st inversion B♭sus2/C (C F B♭); 2nd inversion B♭sus2/F (F B♭ C).
On the piano, yes: the same keys. The name changes with the key you are in - sharps in sharp keys, flats in flat keys.
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