A#

Symmetric Scale

A# / B♭ Diminished (W-H)

8-note alternating whole-half scale. The inverse of H-W diminished.

Notes in A# Diminished (W-H)

Bb1
C2
Db3
Eb4
E5
Gb6
G7
A8
Bb8

Chords in A# Diminished (W-H)

8 diatonic chords
DegreeChordNotesQuality
iBb°Bb – Db – Ediminished
iiC°C – Eb – Gbdiminished
iiiDb°Db – E – Gdiminished
ivEb°Eb – Gb – Adiminished
vE°E – G – Bbdiminished
viGb°Gb – A – Cdiminished
viiG°G – Bb – Dbdiminished
viiiA°A – C – Ebdiminished

Other Scales in A#

MajorBb, C, D, Eb, F, G, ANatural MinorBb, C, Db, Eb, F, Gb, AbHarmonic MinorBb, C, Db, Eb, F, Gb, AMelodic MinorBb, C, Db, Eb, F, G, ADorianBb, C, Db, Eb, F, G, AbPhrygianBb, B, Db, Eb, F, Gb, AbLydianBb, C, D, E, F, G, AMixolydianBb, C, D, Eb, F, G, AbLocrianBb, B, Db, Eb, E, Gb, AbMajor PentatonicBb, C, D, F, GMinor PentatonicBb, Db, Eb, F, AbBluesBb, Db, Eb, E, F, AbWhole ToneBb, C, D, E, Gb, AbDiminished (H-W)Bb, B, Db, D, E, F, G, AbPhrygian DominantBb, B, D, Eb, F, Gb, AbHungarian MinorBb, C, Db, E, F, Gb, ALydian DominantBb, C, D, E, F, G, Ab

Diminished (W-H) in All 12 Keys

CC D D# F F# G# A BC#D♭Db Eb E Gb G A Bb CDD E F G G# A# B C#D#E♭Eb F Gb Ab A B C DEE F# G A A# C C# D#FF G Ab Bb B Db D EF#G♭F# G# A B C D D# FGG A A# C C# D# E F#G#A♭Ab Bb B Db D E F GAA B C D D# F F# G#A#B♭Bb C Db Eb E Gb G ABB C# D E F G G# A#

Practice by Ear

Scale RecognitionIdentify the Diminished (W-H) scale by ear →Play A# Diminished (W-H)Hear the scale and practice recognising it →Chord Recognition TrainerIdentify the chords above by ear →Progression TrainerIdentify common progressions in this key →

Chords in A# / Bb Diminished (W-H)

The A# diminished (w-h) scale contains the notes Bb, C, Db, Eb, E, Gb, G, A. 8-note alternating whole-half scale. The inverse of H-W diminished.

The diatonic chords in A# diminished (w-h) are Bb° (i), C° (ii), Db° (iii), Eb° (iv), E° (v), Gb° (vi), G° (vii), A° (viii). These are the chords you can use when writing or improvising in this key — every note in each chord belongs to the A# diminished (w-h) scale.

To develop your ear for the A# diminished (w-h) sound, use the scale and chord trainers linked above. Being able to recognise these sounds by ear — not just read them from a chart — is what separates musicians who truly hear music from those who only read it.