Chordistry Guitar Chords
Comping and VoicingsClose-interval colour

Cluster voicings

Place seconds inside guitar voicings for a compact, tense colour, then control that density through register and resolution.

Interactive listening

Hear the harmony in time

Compare the examples at one tempo.

Open Cmaj11 spacing

The colour tones are separated, so the major seventh and eleventh feel present without dominating the texture.

Cmaj11 · open1–5–7–3–11 · 8 beats

Cmaj11 with an E–F cluster

Moving F beside E turns the same pitch content into a close, beating dissonance before it resolves.

Cmaj11 · clusterE–F minor 2nd · 4 beats
C6/9release · 8 beats

Watch it in context · Jeremy Siskind

Jazz Piano Voicings 101: Triad Pair and Cluster Voicings

Hear close-position seconds used as expressive colour, then compare cluster shapes with more open triad-pair voicings.

Open on YouTube (opens in a new tab)

Spacing changes the chord’s character

Cluster voicings place adjacent scale tones—especially minor or major seconds—next to each other in register. E and F are both available in a Cmaj11 sonority, but sounding them side by side makes their half-step friction the main event.

The guitar cannot play two fretted notes on one string, so close pitch intervals must cross strings. That often requires an unusual string set, skipped strings, a partial barre, or a wider fret span than the sound suggests.

Control density with register

Seconds can sound muddy in the low register because their overtones collide. Put the close interval on the upper strings and give the bass wider spacing. You can also omit the fifth to create physical room without losing the chord’s identity.

A cluster becomes expressive when it has a destination. Hold one note while its neighbour resolves by half step, or expand the close interval into a third. Use the effect selectively under sustained melody notes, introductions, endings, and ballads.

  • Identify the exact second that creates the colour.
  • Keep low notes sparse and place the cluster higher.
  • Check that the melody is not unintentionally buried inside the voicing.