Finger Positions

Bb13 diagram
Root Note Bb
Name Bb dominant thirteenth
Intervals 1P-3M-5P-7m-9M-13M
Relative Minor Gm
Notes Bb, D, F, Ab, C, G
Aliases Bb13

How to play the Bb13 Chord

The Bb13 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 dominant thirteenth is built using the 1P, 3M, 5P, 7m, 9M, 13M intervals. In the key of Bb Major, this chord functions as the I chord.

Common Progressions

In music composition, the Bb13 chord is often used to create tension or resolution.

I-V-vi-IV

vi-IV-I-V

The Diatonic Family

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

Scale Compatibility

View All Scales
Bebop Mixolydian Lydian Dominant Bebop Minor Composite Blues Chromatic

* 6 scales found containing the notes Bb, D, F, Ab, C, G.

Acoustic & Digital Analysis

Digital footprint of the Bb13 chord for MIDI programming and synthesizer sound design.

MIDI Numbers 70, 62, 65, 68, 60, 67
Frequencies (Hz)

466.1637615180899, 293.6647679174076, 349.2282314330039, 415.3046975799451, 261.6255653005986, 391.99543598174927