Chord · 7ths

G7♭5 — G Dominant 7th ♭5

G7♭5 is the G dominant 7th ♭5 chord. It is built on the root G with major 3rd (B), diminished 5th (D♭) and minor 7th (F) above it — the formula 1 3 ♭5 ♭7, sounding the notes G B D♭ F. On the piano it sits at G (octave 4) and above in the library's voicing; the same 4 notes in any octave are still G7♭5.

Root
G
Quality
Dominant 7th ♭5
Formula
1 3 ♭5 ♭7
Notes
G B D♭ F

On the keyboard

G7♭5 on the piano keyboard: G B D♭ FGBD♭F

The notes of G7♭5

DegreeNoteInterval from the rootPitch
1GrootG4
3Bmajor 3rdB4
♭5D♭diminished 5thD♭5
♭7Fminor 7thF5

Other 7ths on G

Dominant 7th ♭5 chords on every root

Part of the chord reference. See also the scales and the keys.