A

Modes Scale

A Locrian

The 7th mode — only mode with a diminished 5th. Unstable and rarely used as home key.

Notes in A Locrian

A1
A#2
C3
D4
D#5
F6
G7
A8

Chords in A Locrian

7 diatonic chords
DegreeChordNotesQuality
iA°A – C – D#diminished
IIA#A# – D – Fmajor
iiiCmC – D# – Gminor
ivDmD – F – Aminor
VD#D# – G – A#major
VIFF – A – Cmajor
viiGmG – A# – Dminor

Other Scales in A

Locrian in All 12 Keys

Chords in A Locrian

The A locrian scale contains the notes A, A#, C, D, D#, F, G. The 7th mode — only mode with a diminished 5th. Unstable and rarely used as home key.

The diatonic chords in A locrian are A° (i), A# (II), Cm (iii), Dm (iv), D# (V), F (VI), Gm (vii). These are the chords you can use when writing or improvising in this key — every note in each chord belongs to the A locrian scale.

To develop your ear for the A locrian 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.