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 C♯aug7 has an added minor seventh: C♯ – E♯ – Gx* – B
• (commonly referred to as simply an augmented seventh chord; in
jazz, a “seventh sharp five”)
◊ Augmented Major 7th
A C♯+M7 has an added major seventh: C♯ – E♯ – Gx – B♯
• (also called a “major seventh sharp five”)
* see double-sharp
♫ More Piano Chords:
C#maj ▪ C#ma7 ▪ C#ma9 | C#min ▪ C#m7 ▪ C#m9 | C#dim ▪ C#°7 | C#aug ▪ C#+7 | C#sus2 ▪ C#sus4
■ Back to Master Chord Index
