Finger Positions

Root Note B

Name B over A#

Intervals 1P-3M-5A-7m

Relative Minor G#m

Notes A#, B, D#, G, A

Aliases B7#5, B+7, B7+, B7aug, Baug7

How to play the Baug7/A# Chord

The Baug7/A# is a fundamental dominant chord in guitar music. To play this chord correctly, ensure your fingers are placed precisely on the frets indicated in the diagram above.

Music Theory Analysis

From a theoretical perspective, the B over A# is built using the 1P, 3M, 5A, 7m intervals. In the key of B Major, this chord functions as the I chord.

Common Progressions

In music composition, the Baug7/A# chord is often used to create tension or resolution.

I-V-vi-IV

B → F# → G#m → E

vi-IV-I-V

G#m → E → B → F#

The Diatonic Family

Understanding the "family" of chords that belong to B helps with transposition and ear training.

Triads

B C#m D#m E F# G#m A#dim

7ths

Bmaj7 C#m7 D#m7 Emaj7 F#7 G#m7 A#m7b5

Scale Compatibility

View All Scales

Whole Tone Pentatonic Mystery #1 Whole Tone Locrian Major Altered Mixolydian B6 Leading Whole Tone Lydian Minor Phrygian Dominant Enigmatic Spanish Heptatonic Messiaen's Mode #6 Messiaen's Mode #3 Chromatic

* 14 scales found containing the notes A#, B, D#, G, A.

Acoustic & Digital Analysis

Digital footprint of the Baug7/A# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 70, 71, 63, 67, 69

Frequencies (Hz)

466.1637615180899, 493.8833012561241, 311.1269837220809, 391.99543598174927, 440