An augmented seventh chord is an augmented triad (which has a root note, a major third, and an augmented fifth) with a seventh interval added above the root:
◊ Augmented Minor 7th
A G♭aug7 has an added minor seventh: G♭ – B♭ – D – F♭
• (commonly referred to as simply an augmented seventh chord; in
jazz, a “seventh sharp five”)
◊ Augmented Major 7th
A G♭+M7 has an added major seventh: G♭ – B♭ – D – F
• (also called a “major seventh sharp five”)
♫ More Piano Chords:
Gbmaj ▪ Gbma7 ▪ Gbma9 | Gbmin ▪ Gbm7 ▪ Gbm9 | Gbdim ▪ Gb°7 | Gbaug ▪ Gb+7 | Gbsus2 ▪ Gbsus4
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