A#dim7 chord on piano
A Sharp Diminished Seventh, also written Bbdim7. Notes: A#, C#, E and G.
How to play A#dim7
- Find A# just below middle C. That is the root.
- Add C#, E and G above it, skipping the keys in between.
- Right hand fingering: 1-2-3-5. Left hand: 5-3-2-1.
Notes
A#dim7 inversions
An inversion moves the lowest note up an octave. Same notes, smoother jumps between chords.
Root position
A# · C# · E · G1st inversion
C# · E · G · A#2nd inversion
E · G · A# · C#3rd inversion
G · A# · C# · ENotes and theory
The diminished seventh is built entirely from minor thirds, so it repeats every three frets. It is a dramatic passing chord. The formula is 1 b3 b5 bb7, and you will also see it written as A#°7 and A#o7.
More A# chords
All A# piano chordsdiminished seventh chords in every key
Questions
What notes are in the A#dim7 chord?
A#dim7 (A sharp diminished seventh) is made of four notes: A# (root), C# (minor third), E (diminished fifth) and G (diminished seventh).
How do you play A#dim7 on piano?
Play A#, C#, E and G together. With the right hand use fingers 1-2-3-5; with the left hand use 5-3-2-1.
What are the inversions of A#dim7?
Root position: A# C# E G. 1st inversion: C# E G A#. 2nd inversion: E G A# C#. 3rd inversion: G A# C# E.
What does a diminished seventh chord sound like?
The diminished seventh is built entirely from minor thirds, so it repeats every three frets. It is a dramatic passing chord.