Skip to content

Quartal Voicings: Stacked-Fourth Chord Construction for Guitar and Piano

A quartal voicing is a chord built by stacking perfect fourths instead of thirds. Stacking thirds (tertian harmony) is the default in Western music — a C major is C–E–G, each note a third above the last. Quartal harmony stacks perfect fourths instead: starting from C, add F (a above C), then B♭ (a perfect fourth above F), then E♭ (a perfect fourth above B♭). The result — C–F–B♭–E♭ — is a quartal voicing. It sounds ambiguous, open, and modern: it does not resolve neatly into or , which is exactly why it became the signature sound of modal jazz (McCoy Tyner with John Coltrane, Herbie Hancock, Wayne Shorter), film scoring, and contemporary neo-soul.

Quartal voicings are powerful because the is the most acoustically neutral after the . A stack of fourths does not declare a chord quality the way a stack of thirds does — the same quartal shape (for example, D–G–C–F) functions as a Dm11, a G7sus4, or a Csus4 depending on which note is in the bass and what harmony surrounds it. This ambiguity is the whole point. On guitar, quartal shapes are unusually easy to play because the top four strings (D–G–B–E) are tuned mostly in fourths, so a single movable grip generates a family of related voicings up and down the neck. On piano, quartal stacks sit naturally under the hand and are the foundation of modern jazz comping.

Work through the six sections below in order. Section 1 defines quartal construction and explains why stacking fourths produces an ambiguous, modern sound. Section 2 builds three- and four-note movable quartal shapes with fretboard diagrams and audio. Section 3 compares quartal and tertian voicings of the same root side by side so you can hear the character difference. Section 4 covers the comping lineage — McCoy Tyner, Herbie Hancock, and modal jazz. Section 5 maps quartal shapes onto common string sets and shows how one grip generates a whole family of voicings. Section 6 ends with practice tips, a companion quiz, and cross-links to the shell-voicings, drop-voicings, and chord-alterations lessons.

Six quartal-voicing sections — definition, movable shapes, quartal vs tertian, comping lineage, string sets, and practice tips

Loading…

Loading...

Practice tools

Find a chordLookupChord FlashcardsPractice

Chords in this lesson

Cmaj7C7Cm7Dm7G7

Practice this lesson

Chord practice routine

15 min · Balanced · Major · key of C

Keep your chord vocabulary warm with a balanced routine.

Start this routineBrowse all routines

Quartal Voicings: Stacked-Fourth Chord Construction for Guitar and Piano FAQ

What is a quartal voicing?

A quartal voicing is a chord built by stacking perfect fourths instead of thirds. Starting from C, stack three perfect fourths: C–F (a fourth), F–B♭ (a fourth), B♭–E♭ (a fourth). The result is C–F–B♭–E♭, a quartal voicing that sounds like an open, modern Cm11. The contrast is tertian harmony (stacking thirds), which is the default in Western music and produces the familiar major, minor, and dominant chords. Quartal voicings are the signature sound of modal jazz (McCoy Tyner, Herbie Hancock), film scoring, and neo-soul because the perfect fourth is acoustically neutral — the voicing does not declare a single chord quality, so it can function as several different chords depending on context.

Why do quartal voicings sound modern and ambiguous?

Because the perfect fourth is the most acoustically neutral interval after the octave. A stack of thirds spells out a clear quality — C–E–G is unambiguously C major. A stack of fourths does not resolve into a single quality. The shape D–G–C–F can function as a Dm11 (with D in the bass), a G7sus4 (with G in the bass), or a Csus4 (with C in the bass) — the same four notes, three different harmonic identities. This ambiguity is exactly what modal jazz exploits: over a long-held drone or modal vamp, a quartal voicing creates color and motion without forcing a resolution, which is why McCoy Tyner's comping on "So What" and "Impressions" sounds so floating and open compared to the busy ii–V–I tertian comping of earlier jazz.

How do you build a quartal voicing on guitar?

Take any starting note and stack perfect fourths above it. From C: C–F–B♭ (three notes) or C–F–B♭–E♭ (four notes). On guitar these shapes are unusually easy to play because the top four strings (D–G–B–E) are tuned mostly in fourths, so a single three-note grip — for example, D–G–C across strings 4–3–2 — is a movable quartal voicing you can slide up and down the neck. The same physical shape at fret 3 gives F–B♭–E♭; at fret 5 it gives G–C–F; at fret 7 it gives A–D–G. Each position is a new quartal voicing related to the others by the same interval structure. Four-note quartal shapes extend the concept onto the top four strings (D–G–B–E) for a fuller, pianistic sound.

When should I use quartal voicings instead of tertian chords?

Use quartal voicings when you want an open, ambiguous, or modern sound — modal jazz vamps (Dorian or Mixolydian tunes like "So What" or "Maiden Voyage"), film scoring where a single chord must sustain without resolving, and neo-soul comping where you want color without the heavy resolution of tertian harmony. Use tertian chords (standard triads, 7th chords, drop-2, drop-3, shells) when you want clear functional harmony — ii–V–I progressions, pop song structures, and any context where each chord must lead decisively to the next. Quartal voicings are not a replacement for tertian harmony; they are a contrasting color. The most complete players move freely between the two — tertian for functional progressions, quartal for modal sections and coloristic comping.

Chord quality glossaryBrowse all chordsPractice toolsGuitar chordsPiano chordsUkulele chordsBass chords