Modal & Drone Accompanist Explorer

Explore modal open-string chord voicings, drone resonance, and fretboard fingering patterns.

Accompanist's Quick Guide

Traditional Irish accompaniment relies on modal open tunings and drone resonance rather than heavy barre chords. Select a key, mode, and instrument below to discover open-string chord voicings, inspect interval degrees, and practice along with the continuous drone pad.

Harmonized Scale Degrees

Select a scale degree to discover open chord shapes and variations below.

Available Chord Voicings

Select a degree above
50%

Open-String Drone Analysis

Open String Resonance Guide

Modal backing in traditional music relies on un-fretted open strings vibrating continuously as sympathetic drones:

Root / 5th Fundamental anchors; ring freely across all chord transitions.
Nth Deg Diatonic scale notes; add rich modal color when left open.
Clash Non-scale notes; create dissonance. Mute (x) or fret these strings.
How each open string resonates with the scale root/fifths

Fretboard: DADGAD Guitar

Root Note
Voicing Fret Dot
Scale Note
Muted (x)

Continuous Practice Drone Pad

Generates a continuous synthesized drone (Root + Fifth) of the active key to practice chord shifts or tune melodies over.

Traditional Irish Accompaniment Philosophy

The Power of Suspended Chords & sus2 / 5s

In traditional tunes, playing a major triad can sound too bright and resolved, while a minor triad can sound too heavy. By playing chords without their third (like a D5 or Dsus2), the sound is open. This allows the fiddler, whistle, or pipe player to outline the minor/major character of the melody while you provide a wide, clean rhythmic frame.

Droning and the "Double Tonic"

Many Irish tunes alternate between keys a whole tone apart, such as D Dorian and C Major. In DADGAD, you can slide a simple shape like 5 5 0 0 0 0 (G5/Gsus2) to 0 0 0 2 0 0 (D5), fretting only two strings and letting the top four strings ring as a drone. The constant, ringing D and A pitches tie the chords together harmonically, creating that distinctively hypnotic, atmospheric Celtic backing.

Supported Instruments & Modal Tunings

Explore open-string drone behavior, modal chord voicings, and interval degrees across 11 supported instruments and tunings:

  • Standard Guitar (EADGBE): Traditional folk backing with third intervals and open triads.
  • DADGAD Guitar: Benchmark modal tuning with ringing D and A drone string pairs.
  • GDAD Bouzouki: Flat-VII high D drone string for quick Mixolydian and Dorian voicing shifts.
  • ADAE High Bass (Fiddle / Bouzouki): Classic cross-tuning for fiddle, Hardanger fiddle, and bouzouki with ringing A and D drone string pairs.
  • FCGDAE 6-String Banjo: Full 6-string compass for extended bass and treble chord voicings.
  • GDAE Mandolin / Tenor Banjo / Fiddle: Standard fifths tuning for chops, drones, and lead melody.
  • DGDA Nyckelharpa: Sympathetic drone string resonance for Nordic & Scandinavian modal music.
  • CGDA Tenor Banjo / Mandola / Viola: Alto fifths tuning for warm low-register rhythm backing.
  • CGDAE 5-String Fiddle / Viola: 5-string extended range compass combining fiddle C-string and E-string.
  • Ukulele - Standard High-G (gCEA): Classic re-entrant tuning (high G4 string) for lively rhythm and chord melody.
  • Ukulele - Low-G (GCEA): Linear tuning (low G3 string) for deeper bass line backing and solo melody runs.