Seventh Chords on Interactive Chord Finder

The ii–V–I Progression in Jazz: Theory and Application

Wed, 25 Mar 2026 09:00:00 +0000

If you learn one thing about jazz harmony, make it this: ii–V–I. This three-chord progression is the backbone of jazz. It appears in nearly every standard, often multiple times within a single tune, and understanding it unlocks the logic behind hundreds of songs that might otherwise seem harmonically complex.

What Is a ii–V–I?

The Roman numerals refer to diatonic chords built on the second, fifth, and first degrees of a major scale. In jazz, these chords are almost always played as seventh chords.

Chord Inversions and Voice Leading – Smoother Harmony for Any Instrument

Mon, 23 Feb 2026 06:18:00 +0000

Play a C major chord as C – E – G, then play the same three notes rearranged as E – G – C. The harmony has not changed — it is still C major — but the sound is different. The bass note shifted, the spacing between the notes changed, and the chord now connects more naturally to whatever comes next. That rearrangement is called an inversion, and learning to use inversions is one of the fastest ways to make your chord progressions sound polished rather than blocky.

Seventh Chords: A Complete Guide to maj7, min7, dom7, and More

Sun, 15 Feb 2026 09:40:00 +0000

If triads are the foundation of harmony, seventh chords are where music starts to get truly expressive. By adding just one more note on top of a triad, you unlock a world of colour, tension, and sophistication that has shaped everything from classical sonatas to jazz standards, R&B ballads, and lo-fi beats.

This guide walks you through every common type of seventh chord, how each one is built, where it naturally occurs, and what gives it its distinctive sound.