The Ab7 / G#7 chord (Ab7) is made of the notes Ab, C, Eb and Gb. It is built from the root Ab with a major third, a perfect fifth and a minor seventh.
The dominant seventh chord creates a tension that wants to resolve to the chord a fourth higher; it is everywhere in blues, jazz and rock.
Ab7
Notes: Ab – C – Eb – Gb
Guitar — positions on the neck
Piano — root position and inversions
Fingerings and positions
On guitar, this chord can be played in 4 ways along the neck. It is most often played with a barre. Example fingering (from the low E string to the high E string, x = muted string): 431112. On piano, the right hand plays 4 notes, in root position or in an inversion.
Notes and intervals
Note
Interval
Ab
root
C
major third
Eb
perfect fifth
Gb
minor seventh
In which keys? The Ab7 chord is the V7 of C# major and the VII7 of Bb minor.
The notes of the Ab7 chord (Ab7) are Ab, C, Eb and Gb.
How do you play the Ab7 chord on guitar?
On guitar, this chord can be played in 4 ways along the neck. It is most often played with a barre. Example fingering (from the low E string to the high E string, x = muted string): 431112.
How is the Ab7 chord built?
The Ab7 / G#7 chord (Ab7) is made of the notes Ab, C, Eb and Gb. It is built from the root Ab with a major third, a perfect fifth and a minor seventh.
Are Ab and G# the same chord?
Yes: Ab and G# are the same note (they are called enharmonic), so Ab7 / G#7 is played exactly the same way, with the same fingerings.