A augmented

Aaug

Also written A+ · A(♯5) · A augmented

NotesA · C♯ · E♯

Formula1 · 3 · ♯5

E♯ is the key you know as F.

Root position

Every note of Aaug is a major 3rd from the next, so Aaug, C♯aug and Faug are the same three keys. As a V+ it pulls to D: the raised 5th leans up into its 3rd.

How pianists voice Aaug

The same notes, laid out the way hands actually play them.

Open triad Spread

1 · ♯5 · 3 — root and 5th below, the 3rd an octave up. The same three notes spread over two octaves: the sound of strings rather than a keyboard.

Aaug inversions

The same 3 notes with a different one in the bass. Each inversion is written as a slash chord.

Root position Aaug

Root at the bottom, stacked in 3rds: 1 · 3 · ♯5.

1st inversion Aaug/C♯

C♯ (the 3) in the bass: 3 · ♯5 · 1.

2nd inversion Aaug/E♯

E♯ (the ♯5) in the bass: ♯5 · 1 · 3.

Augmented chords in every key

Caug D♭aug Daug E♭aug Eaug Faug G♭aug Gaug A♭aug Aaug B♭aug Baug

Every A chord

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