---
title: "Non-tempered tuning"
slug: non-tempered-tuning
type: concept
definition: "A tuning system in which intervals don't follow equal temperament (12 equidistant semitones), with frequencies derived from natural ratios or an instrument's own organological tradition. The Asturian gaita is one of its clearest examples in Atlantic music."
synonyms: ["natural tuning", "unequal temperament", "just intonation"]
publishedAt: 2026-06-23
---
**Non-tempered tuning** is any tuning system in which the relationships between frequencies don't follow equal temperament —the standard on a modern piano— but instead physically natural ratios (the harmonic series) or conventions specific to an instrument or tradition.

## Why it matters in the Asturian gaita

The **punteru** (chanter) of the [Asturian gaita](/concepto/gaita-asturiana) has no frets or valves: tuning depends on the exact position of the finger holes, the material, and blowing pressure. The result is a scale with **thirds and sevenths slightly different** from equal temperament, which gives the instrument its characteristic sound and explains why it can sound "off" when mixed with tempered instruments like piano or guitar.

## Difference from tempered tuning

| Equal temperament | Non-tempered tuning |
|---|---|
| 12 equal semitones | Intervals derived from physical ratios |
| Piano, guitar, accordion | Asturian gaita, viola da gamba, traditional wind instruments |
| Neutral in every key | Its own timbre per key |

This difference is not a flaw: it's part of the instrument's sonic identity and one of the traits that sets it apart from other Atlantic bagpipes.