Werckmeister IV vs. Werckmeister V

Compare the tuning characteristics of Werckmeister IV and Werckmeister V — cent deviations per note, practical guidance, and historical context.

At a Glance

Feature	Werckmeister IV	Werckmeister V
Category	well-temperament	well-temperament
Formula Type	cent-offsets	cent-offsets
Historical Era	Baroque	Baroque
Key Advantage	Smoother key transitions compared to Werckmeister III; less dramatic key color.	Even-handed key color distribution — more uniform than Werckmeister III.
Key Limitation	Less frequently used historically; key character less pronounced than Werckmeister III.	Less key color contrast; some find it insufficiently distinctive for Baroque repertoire.
Typical Use	Experimental Baroque repertoire and comparative well-temperament studies.	Baroque keyboard music where a milder well-temperament character is preferred.

Cent Deviations: All 12 Notes vs. Equal Temperament

Positive cents = sharper than equal temperament. Negative = flatter. Difference column shows Werckmeister V minus Werckmeister IV: positive means Werckmeister V is sharper.

Note	Werckmeister IV (¢)	Werckmeister V (¢)	Difference (¢)
C4	+8.40	0.00	-8.40
Db4	-5.80	-4.00	+1.80
D4	+3.70	+4.00	+0.30
Eb4	+3.40	0.00	-3.40
E4	+1.90	-4.00	-5.90
F4	+6.40	+4.00	-2.40
Gb4	-1.40	0.00	+1.40
G4	+1.70	+2.00	+0.30
Ab4	-3.90	-8.00	-4.10
A4	0.00	0.00	0.00
Bb4	+12.25	+2.00	-10.25
B4	-3.30	-2.00	+1.30

When to Choose Each

Choose Werckmeister IV when:

Choose Werckmeister IV for Baroque keyboard repertoire spanning multiple keys — especially works that tour the circle of fifths. Its varied key color gives each tonality a distinctive musical character.

Choose Werckmeister V when:

Choose Werckmeister V for Baroque keyboard repertoire spanning multiple keys — especially works that tour the circle of fifths. Its varied key color gives each tonality a distinctive musical character.

Historical Context

Both Werckmeister IV and Werckmeister V are well temperaments from the Baroque era, designed to make all 24 major and minor keys usable while preserving key-specific color. Both emerged as alternatives to meantone that allowed performance of works like Bach's Well-Tempered Clavier without re-tuning. They differ in how the Pythagorean comma is distributed across the circle.

Werckmeister IV: Developed by Andreas Werckmeister (1691) — Baroque era
Werckmeister V: Developed by Andreas Werckmeister (1691) — Baroque era