A#

Modes Scale

A# / B♭ Mixolydian

The 5th mode — major with a flat 7th. Bluesy, rootsy, rock and roll.

Notes in A# Mixolydian

Bb1
C2
D3
Eb4
F5
G6
Ab7
Bb8

Chords in A# Mixolydian

7 diatonic chords
DegreeChordNotesQuality
IBbBb – D – Fmajor
iiCmC – Eb – Gminor
iiiD°D – F – Abdiminished
IVEbEb – G – Bbmajor
vFmF – Ab – Cminor
viGmG – Bb – Dminor
VIIAbAb – C – Ebmajor

Other Scales in A#

Mixolydian in All 12 Keys

Chords in A# / Bb Mixolydian

The A# mixolydian scale contains the notes Bb, C, D, Eb, F, G, Ab. The 5th mode — major with a flat 7th. Bluesy, rootsy, rock and roll.

The diatonic chords in A# mixolydian are Bb (I), Cm (ii), D° (iii), Eb (IV), Fm (v), Gm (vi), Ab (VII). These are the chords you can use when writing or improvising in this key — every note in each chord belongs to the A# mixolydian scale.

To develop your ear for the A# mixolydian 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.