Minor 9 on Piano

What do minor 9 sound like?

Deep velvet — the m7's smoothness with a high, aching 9th on top. The default "beautiful sad chord" of modern R&B.

How are they built?

A minor 7 plus the 9th: root, ♭3, 5, ♭7, 9. The 9th is a major 9th above the root even though the chord is minor — that contrast is the beauty.

What is their job in a progression?

A richer ii chord (iim9–V being the upgraded jazz opening) and a tonic minor that can loop forever — im9 vamps power entire neo-soul songs.

Where you'll hear them

Erykah Badu and D'Angelo grooves, lo-fi hip-hop loops, Chopin-flavored film cues — anywhere minor needs to sound expensive.

The beginner mistake

Playing the 9th a half step wrong (as a ♭9) — over a minor chord a ♭9 clashes with the root above and turns velvet into alarm. The 9th stays MAJOR.

Fingering logic

Full grip 1-2-3-4-5 across the five tones; the common compact alternative drops the root (leave it to the left hand) and plays ♭3-5-♭7-9 with 1-2-3-5.

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