A compact minor 9th with a low barre — the ii of A major.
Notes: B – D – A – C# – F# · Formula: 1 – ♭3 – 5 – ♭7 – 9
Load B Minor 9 (Bm9) onto an interactive fretboard, hear every note, and build it into a progression.
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A B Minor 9 (Bm9) chord contains the notes B, D, A, C#, F#. It is built from the minor 9th formula 1 - ♭3 - 5 - ♭7 - 9, with B as the root.
Bm9 is the ii chord of A major and a natural tonic in B minor. In an A major ii-V-i it moves through E7 to A; in B minor it serves as a rich, moody home chord. Its neo-soul colour makes it a common choice wherever a plain Bm would sound too bare.