A diminished seventh chord is a diminished triad (which has a root note, a minor third, and a diminished fifth) with a seventh interval added above the root:
◊ Diminished 7th
A Gdim7 has an added diminished seventh: G – B♭ – D♭ – F♭
◊ Half-Diminished 7th
A Gø has an added minor seventh: G – B♭ – D♭ – F
• (also called a “minor seventh flat five”)
◊ Diminished Major 7th
A G°M7 has a major seventh: G – B♭ – D♭ – F♯
♫ More Bass Chords:
Gmaj ▪ Gma7 ▪ Gma9 | Gmin ▪ Gm7 ▪ Gm9 | Gdim ▪ G°7 | Gaug ▪ G+7 | Gsus2 ▪ Gsus4
■ Back to Master Chord Index
