Bm13 Guitar Chord Chart and Fingering
The Bm13 chord, B minor thirteenth, is built from B, D, F#, A, C#, E and G#. The G# is the thirteenth, the C# the ninth and the E the eleventh, all stacked above a Bm7 chord.
The G# is a natural major sixth above B, which is what distinguishes the chord from the Aeolian sound of B minor. Look at intervals on the fretboard to see how far each of the seven notes sits from the root. The extensions are the second, fourth and sixth degrees of the scale, an octave higher. The B Dorian scale contains all of them.
B minor 13th guitar chord is also written as Bm13, Bmin13 or B-13.
Notes of the B m13 chord:
Tones of the Minor Thirteen chord:
Formula: 1 b3 5 b7 9 11 13
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Created by
Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher
FAQ
Which notes does Bm13 contain?
Bm13 contains B, D, F#, A, C#, E and G#. The G# is the thirteenth, a major sixth up from B.
What is the formula of B minor thirteenth?
It is 1, b3, 5, b7, 9, 11, 13. That is a minor seventh chord extended with the ninth, the eleventh and the thirteenth.
Why does Bm13 have G# instead of G?
The thirteenth is a major sixth, nine semitones up from B, which is G#. G natural would be the minor sixth, which does not match B Dorian.
Which scale fits Bm13?
B Dorian: B, C#, D, E, F#, G#, A. All seven notes of the chord are in it.
How many sharps does Bm13 have?
Three of its notes carry sharps: F#, C# and G#. The other four, B, D, A and E, are natural.
