B Dominant Thirteen Sharp Fifth Guitar Chord Fingering
What is in B13#5, the B thirteenth sharp five chord? The notes are B, D#, F##, A, C#, E and G#.
The ninth, eleventh and thirteenth are the same letter names as the second, fourth and sixth, one octave higher. F## is written that way to keep one letter name per chord tone, even though it sounds like G. The raised fifth, the thirteenth and the minor seventh, F##, G# and A, sit on consecutive semitones.
Moving in and out of it gets easier with smoother chord changes, since the root and the extensions change at the same time.
B 13th with sharp 5th guitar chord is also written as B13(#5), B13#5 or B13+5.
B13#5 Chord Notes and Formula
B 13(#5) chord Notes:
How the Dominant Thirteen Sharp Fifth chord is built:
Formula: 1 3 #5 b7 9 11 13
B 13(#5) Chord Interactive Fretboard
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More B Chords
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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 B13#5 contain?
B13#5 is B, D#, F##, A, C#, E and G#. That is the root, major third, sharp fifth, minor seventh, ninth, eleventh and thirteenth.
Why is the sharp fifth of B13#5 written F##?
The perfect fifth over B is F#. Raising it by a half step gives F##, which sounds like G but keeps the letter that matches a fifth.
What is the difference between B13#5 and B13?
B13 uses the perfect fifth, F#. B13#5 raises it to F##, which adds an augmented color to the same dominant core.
What are the intervals of B13#5?
The formula is 1, 3, #5, b7, 9, 11 and 13. On B that reads B, D#, F##, A, C#, E and G#.
