Writing principles
ChordMetric explains the answer first, defines unfamiliar terms and keeps note names beside every visual result. Examples are chosen to show a musical rule without relying on protected songs or scores.
Review and sources
Theory explanations are checked against the conventions and references listed on Methodology and Sources. Where more than one convention is common, the page states the convention being used.
Corrections
Material errors are corrected in the affected tools and related explanations. Visitors can report an error through the Corrections page.