A
Diminished
 Scale
other names: Arabian (A), Auxiliary diminished, Diminished (wholetone - halftone)
notes:ABCDD#E#F#G#
intervals:1P2M3m4P4A5A6M7M
semitones:21212121
AECGBbE#DbG#BF#DA3CGD#BbC#G#EB5DAE#CD#BbF#Db7EBGDE#CG#D#F#C#AE10GDBbE#G#D#BF#1212AECGBbE#DbG#BF#DA15CGD#BbC#G#EB17DAE#CD#BbF#Db

Harmonized chords

IIIIIIIVVVIVIIVIII
in 3-notesAdimBdimCdimDdimD#dimE#dimF#dimG#dim
in 4-notesAdim7Bdim7Cdim7Ddim7D#dim7E#dim7F#dim7G#dim7

other scale chords

AdimAdim7Am#5AoM7Amb6M7AM7#5sus4AM9#5sus4

Scale modes

A DiminishedB Diminished (halftone - wholetone)C DiminishedD Diminished (halftone - wholetone)D# DiminishedE# Diminished (halftone - wholetone)F# DiminishedG# Diminished (halftone - wholetone)