Finger Positions

Bbaug7 diagram
Root Note Bb
Name Bb
Intervals 1P-3M-5A-7m
Relative Minor Gm
Notes Bb, D, F#, Ab
Aliases Bb7#5, Bb+7, Bb7+, Bb7aug, Bbaug7

How to play the Bbaug7 Chord

The Bbaug7 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 Bb is built using the 1P, 3M, 5A, 7m intervals. In the key of Bb Major, this chord functions as the I chord.

Common Progressions

In music composition, the Bbaug7 chord is often used to create tension or resolution.

I-V-vi-IV

Bb → F → Gm → Eb

vi-IV-I-V

Gm → Eb → Bb → F

The Diatonic Family

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

Triads

Bb Cm Dm Eb F Gm Adim

7ths

Bbmaj7 Cm7 Dm7 Ebmaj7 F7 Gm7 Am7b5

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 Bb, D, F#, Ab.

Acoustic & Digital Analysis

Digital footprint of the Bbaug7 chord for MIDI programming and synthesizer sound design.

MIDI Numbers 70, 62, 66, 68
Frequencies (Hz)

466.1637615180899, 293.6647679174076, 369.9944227116344, 415.3046975799451