How to Play Piano Chord: B half-diminished 13 — root

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Bm13♭5

root position

B half-diminished 13

root position

B, D, F, A, C♯, E, G♯

The notes of the B major scale are:

Major scale pattern

The semitone pattern for a major scale is:

WWHWWWH

where:

1, ♭3, ♭5, ♭7, 9, 11, 13

A major B · A

A–C♯–E = ♭7, 9, 11 · left hand: root + ♭7

a major triad a whole step down from the root
D♭ major B · A

C♯–F–G♯ = 9, ♭5, 13 · left hand: root + ♭7

a major triad a whole step up from the root

The keyboard can of every chord — change it any time in Preferences.