When naming complex extended chords, there are various conventions and abbreviations. These are helpful when reading or writing a chord chart, but can seem like mysterious jargon to the uninitiated.

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Building an extension to a chord doesn’t require planning permission, but it might require a degree of design. We add 9ths to our extension palette When you purchase through links on our site, we may ...

In music theory, an extension is similar in concept to a house extension, except that, rather than three-bed semis, we’re dealing with three-note chords. By definition, to extend is to make something ...