How we work

Editorial Policy

ChordFlow is a free reference for chords, scales, keys and music theory. This page explains how our guides and tools are made, how they are checked, and how we keep them honest.

1. What we publish

We publish chord diagrams and fingerings, piano voicings, scales, keys, chord progressions and music-theory guides, plus free practice tools — a chord finder, a scale finder, a transposer, a capo calculator, tuners, a metronome and more. We publish chords, scales and theory only. We do not publish song chord charts or lyrics, which belong to their writers and publishers.

2. How content is written

Every guide is written from standard music theory, not from other websites' summaries of it. A chord is built from its intervals, a scale from its formula, a key from its diatonic chords, and a progression from the degrees that define it. Where a fact comes from a published reference — a tuning standard, a temperament, a named scale formula — the guide says so. Where a fingering is a standard shape rather than the only shape, the guide says that too. Guides are written to be read by players, not textbooks: the theory stays, the jargon goes.

3. How content is checked

A chord diagram is checked against its notes: if the diagram does not produce the notes of the chord, it is wrong, whatever it looks like. Scales are checked against their formulas, keys against their seven diatonic chords, and tool results against hand-worked examples. Every guide is written to be substantial — 1,200+ words — because a chord worth learning is worth explaining properly: the notes, the intervals, the fingering, the common voicings and where it is used.

4. Corrections

Music theory is exact, but writing about it is not immune to mistakes. If you find an error in a diagram, a fingering, a scale or a calculation, tell us with the page address and the notes you expected. Verified errors are corrected. We do not silently rewrite guides to change what they said: a correction fixes the notes, not the argument.

5. Independence from advertising and affiliates

ChordFlow is supported by advertising and by affiliate links to instrument retailers and music-learning services. That income pays for hosting and for the time spent writing — it does not buy editorial decisions. A diagram, a calculation or a recommendation is never changed because of a commission, and no advertiser or affiliate partner reviews our content before publication. See our Affiliate Disclosure.

6. No thin or copied content

We do not publish pages that say in fifty words what another page already says, and we do not copy other sites' guides or diagrams. Each page exists because it answers a question a player actually asks — what is in this chord, where do my fingers go, what key is this song in — and answers it in full.