Major 7 on Piano

What do major 7 sound like?

Soft, warm, and sophisticated — the major 7th melts the triad's brightness into something closer to candlelight. Jazz's idea of "home".

How are they built?

A major triad plus a major 7th: root, 3rd, 5th, 7th. The 7th sits one half step under the octave, which gives the gentle rub.

What is their job in a progression?

A tonic-family chord in jazz and R&B: Imaj7 and IVmaj7 are resting points. It replaces the plain major triad wherever plain would sound too square.

Where you'll hear them

Bossa nova lives here, so do lo-fi beats, city pop and every "late night" playlist. Play Cmaj7 instead of C and any progression instantly relaxes.

The beginner mistake

Doubling the root on top, a half step above the 7th — that turns warmth into a sharp clash. Let the 7th be the top voice, or keep the root only in the bass.

Fingering logic

1-2-3-5 with the pinky on the 7th keeps the half-step rub at the top under the strongest reach; the compact lower thirds sit under 1-2-3 with no stretch.

Neighboring families