CadenzaHow pianists voice Am7
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.
Shell Left hand
1 · ♭3 · ♭7 — root, 3rd and 7th: the three notes that say what the chord is. Left hand, low; everything else is colour.
Rootless A From the 3rd
♭3 · 5 · ♭7 · 9 — no root: the bass player has it. The left-hand voicing of modern jazz piano. Without A underneath, the same keys read as Cmaj7 — the bass turns them into Am7.
Rootless B From the 7th
♭7 · 9 · ♭3 · 5 — the other half of the pair. A and B alternate through a ii–V–I so the hand barely moves.
Drop 2 Two hands
5 · 1 · ♭3 · ♭7 — close position with the second voice from the top dropped an octave: wider, warmer, the standard for chord melody.
Am7 inversions
The same 4 notes with a different one in the bass. Each inversion is written as a slash chord.
Root position Am7
Root at the bottom, stacked in 3rds: 1 · ♭3 · 5 · ♭7.
1st inversion Am7/C
C (the ♭3) in the bass: ♭3 · 5 · ♭7 · 1.
2nd inversion Am7/E
E (the 5) in the bass: 5 · ♭7 · 1 · ♭3.
3rd inversion Am7/G
G (the ♭7) in the bass: ♭7 · 1 · ♭3 · 5.
Minor seventh chords in every key
Every A chord
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