Between each chord, the banjo solo in the opening repeats the same two notes E-D along with each chord, so the E-D gets 'reinterpreted' by each new chord.
We can't actually show you the full intro here for copyright reasons, but using just the E-D repetition along with the chords you can get a pretty
good idea of the effect here:
Chords Used in Taylor Swift - Love Story
Sheet Music to Buy from Taylor Swift
Taylor Swift - Fearless By Taylor Swift. Piano/Vocal/Guitar Artist Songbook. Softcover. 104 pages. Published by Hal Leonard