It’s all down to the I-III-IV-iv chord progression When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Olivia Rodrigo’s Vampire, her long-awaited new ...

Altered chords are chords that have been changed by having the pitch of one or more notes in the chord sharpened or flattened by a semitone. Altering a chord in this way can have a big effect on its ...