Chords
Ab 7b13
Ab · C · Gb · Fb
Ab 7b13 (Ab7b13) is a major chord of 4 notes: Ab · C · Gb · Fb.
Ab 7b13
Ab · C · Gb · Fb
Voicings on the piano
| Voicing | Notes | Play it on your instrument |
|---|---|---|
| Closed, root position | Ab3 · C4 · Gb4 · Fb5 | |
| Open (drop 2) | Gb3 · Ab3 · C4 · Fb5 | |
| Shell | Ab3 · C4 · Gb4 | |
| Rootless | C4 · Fb4 · Gb4 · Bbb4 |
Tap a key or a fret to hear it.
Anatomy
Ab 7b13 (Ab7b13) contains the notes Ab · C · Gb · Fb, each with a role measured as an interval from the root.
Read on: how triads are built · seventh chords · extensions
Inversions
An inversion of Ab 7b13 puts a chord tone other than Ab in the bass; the name after the slash is that bass note.
Where it lives
The keys and the scales Ab 7b13 belongs to.
In which keys
Ab 7b13 is diatonic to 1 key; the numeral is its degree and the label its harmonic function.
- C# minorV7b13Dominant
Scales that contain it
Ab 7b13 fits inside these scales, each built on Ab.
- Ab Whole ToneAb · Bb · C · D · E · F#
- Ab Mixolydian b6Ab · Bb · C · Db · Eb · Fb · Gb
- Ab Leading Whole ToneAb · Bb · C · D · E · Gb · G
- Ab Lydian MinorAb · Bb · C · D · Eb · Fb · Gb
- Ab Messiaen's Mode #6Ab · Bb · C · Db · D · E · F# · G
- Ab Messiaen's Mode #3Ab · Bb · Cb · C · D · Eb · Fb · Gb · G
Understanding the Ab 7b13 chord
Names and symbols
Ab7b13 is the chord symbol for Ab 7b13.
Ab 7b13 and G# 7b13 are the same sound spelled two ways; both have a page here, and each links to the other. G# 7b13
Common questions
- What notes are in the Ab 7b13 chord?
- The Ab 7b13 chord contains the notes Ab · C · Gb · Fb: the root Ab with the intervals 1P, 3M, 7m, 13m stacked above it. Play them together for the chord or one after another for an arpeggio. The lowest note is normally Ab, but any chord tone can take the bass in an inversion.
- What intervals make up the Ab 7b13 chord?
- Measured from Ab, the Ab 7b13 chord stacks the intervals 1P, 3M, 7m, 13m. The quality of the third and of the seventh, if there is one, is what gives the chord its character; the rest of the notes colour it. Every interval in the formula links to its own page, with its sound.
- How do I play the Ab 7b13 chord?
- On guitar the most common Ab 7b13 shape is 474554, read from the lowest string to the highest; the instrument panel above shows several more with their fingerings. On piano play Ab3 · C4 · Gb4 · Fb5 with the right hand, or move the root down into the left hand and keep the rest above it. Every shape on this page plays when you press it.