Also B Major (Ionian), C# Dorian

A# Locrian: A# B C# D# E F# G#. Formula 1 ♭2 ♭3 4 ♭5 ♭6 ♭7. Same notes as B Major (Ionian), C# Dorian, D# Phrygian. The darkest mode, with a flat 2nd and a flat 5th: its tonic chord is diminished, so it rarely feels at rest. It fits over half-diminished chords.

Made of7

Contains & part of14

Diatonic chords14

Sevenths

Relatives27

Cadences5

In B major, the key A# Locrian belongs to

Progressions10

Progressions on A# Locrian