CadenzaG altered dominant
G7alt
Also written Galt · G7(alt)
The altered dominant: root, 3rd and ♭7, with every tension altered — ♭9 (A♭), ♯9 (A♯), ♯11 (C♯) and ♭13 (E♭). Nobody plays all four at once; pick two or three. Its scale is the altered scale: A♭ melodic minor played from G.
How pianists voice G7alt
Nobody plays a jazz chord in root position. These are the shapes that actually get played — the same ones Cadenza shows when you play the chord.
Rootless A From the 3rd
3 · ♭13 · ♭7 · ♯9 — 3rd, ♭13, ♭7 and ♯9: the altered voicing jazz pianists reach for first, with the root left to the bass.
Rootless B From the 7th
♭7 · ♯9 · 3 · ♭13 — the same four notes from the ♭7: ♭7, ♯9, 3rd and ♭13.
Upper structure ♭VI Triad over shell
1 · 3 · ♭7 · 1 · ♯9 · ♭13 — an E♭ major triad in the right hand (♭13, root and ♯9) over the root, 3rd and ♭7 in the left. One familiar shape, all the tension.
Altered dominant chords in every key
Every G chord
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