Mode 7 of Bb Major Scale

A Locrian

Space plays and stops
Notes
ABbCDEbFG
Steps
H W W H W W
Intervals
m2 2 2 m2 2 2

The major scale and its modes are the most commonly used scales in western music.

A Locrian is the 7th mode of the Bb Major Scale: its notes, Bb C D Eb F G A, played from A.

Chords it fits