How do I tune my violin to Cajun (FCGD)?

Start from standard GDAE tuning. Every string drops exactly one whole step (two semitones). Tune the G string down from G3 to F3 (174.61 Hz). Lower it one whole step. Tune the D string down from D4 to C4 (261.63 Hz). Verify against a tuner or match it to middle C on a piano. Tune the A string down from A4 to G4 (392 Hz). Lower it one whole step. Tune the E string down from E5 to D5 (587.33 Hz). Lower it one whole step. Verify by playing fifths between adjacent strings — each pair should still produce a clean perfect fifth, just a whole step lower than standard. The interval relationships are identical to standard tuning.

Cajun Violin Tuning (FCGD)

Q: What strings should I use for Cajun (FCGD) tuning?

Medium-heavy tension strings. Since all strings drop a whole step, tension decreases across the board. Standard medium strings work adequately, but many Cajun fiddlers prefer slightly heavier gauges to compensate. The lower tension can cause the G string (now tuned to F3) to feel especially loose — a heavier gauge bottom string helps maintain good tone and bow response. Some players use viola strings for the lower pair.

Tune your violin to Cajun (FCGD) — F3, C4, G4, D5

Loading tuner...

What is Cajun violin tuning?

Cajun violin tuning is F3-C4-G4-D5, also written FCGD. It tunes every string one whole step below standard GDAE for Cajun and Creole fiddle music.

Tuning: FCGD
Exact pitches: F3-C4-G4-D5
Compared with GDAE: One whole step lower
Common use: Cajun and Creole fiddle

Use this page for Cajun fiddle tuning when you want a darker, lower-pitched setup than standard GDAE violin tuning.

About Cajun (FCGD) Tuning

Cajun tuning (F3-C4-G4-D5) lowers every string one whole step below standard GDAE. This tuning is the standard in Cajun and Creole fiddle music from Louisiana, giving the violin a darker, mellower voice that blends naturally with accordion, guitar, and triangle in a traditional Cajun ensemble.

Cajun music developed in the French-speaking communities of Louisiana, blending French Canadian, Acadian, African, and Southern American musical traditions. The lower tuning emerged because it better complements the diatonic accordion — the lead instrument in most Cajun bands. Legendary Cajun fiddlers like Dennis McGee, Harry Choates, and Dewey Balfa all played in this tuning.

Beyond the pitch difference, Cajun tuning changes the violin's tonal character. The reduced string tension produces a looser, more vocal quality that suits the singing, crying style of Cajun fiddle playing. Many Cajun fiddlers use long, sweeping bow strokes with heavy vibrato, and the lower tension makes this technique more natural.

String Notes

String 1

String 2

String 3

String 4

Recommended Strings

Medium-heavy tension strings

Since all strings drop a whole step, tension decreases across the board. Standard medium strings work adequately, but many Cajun fiddlers prefer slightly heavier gauges to compensate. The lower tension can cause the G string (now tuned to F3) to feel especially loose — a heavier gauge bottom string helps maintain good tone and bow response. Some players use viola strings for the lower pair.

How to Tune to Cajun (FCGD)

1.Start from standard GDAE tuning. Every string drops exactly one whole step (two semitones).
2.Tune the G string down from G3 to F3 (174.61 Hz). Lower it one whole step.
3.Tune the D string down from D4 to C4 (261.63 Hz). Verify against a tuner or match it to middle C on a piano.
4.Tune the A string down from A4 to G4 (392 Hz). Lower it one whole step.
5.Tune the E string down from E5 to D5 (587.33 Hz). Lower it one whole step.
6.Verify by playing fifths between adjacent strings — each pair should still produce a clean perfect fifth, just a whole step lower than standard. The interval relationships are identical to standard tuning.

Best Keys for Cajun (FCGD)

F Major

The natural home key in Cajun tuning, equivalent to playing in G on a standard-tuned violin. Most Cajun waltzes and two-steps use this key.

C Major

The dominant key. Many Cajun tunes alternate between F and C, mirroring the G-D relationship in standard tuning.

Bb Major

The IV chord in F. Accessible and important for Cajun repertoire, especially tunes that follow accordion-friendly keys.

D Minor

Common in Creole fiddle music. The darker Creole style often uses minor keys over the lowered tuning for an especially soulful sound.