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The Axis Chord Progression is a run of four chords named after Aussie music-comedy trio Axis Of Awesome.
Not including her latest album, Taylor Swift has reportedly used this progression in 21 of her songs.
Dr. Jadey O’Regan knows a thing or two about chord progressions in pop music. She’s a Lecturer in Contemporary Music Practice at the Sydney Conservatorium of Music and co-author of "Hooks in Popular Music".
US singer Taylor Swift performs on stage during a concert as part of her Eras World Tour in Sydney on February 23, 2024. Photo: AFP / David Gray