When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In music theory, an extension is similar in concept to a house extension, except that, rather ...
Terms such as ‘altered’ and ‘extended’ chords are relatively simple to explain. Extended chords add other notes from the scale to the existing root-3rd-5th triad (for example, C-E-G), so if we add a ...