This song by Taylor Swift is in G.
Part 4 is the interlude.
These are the “cheat” chords I played…
Part 1a: G2 - D/F# - Em7 - C2
Part 1b: same as Part 1a
Part 1c: D
Part 2a: same as Part 1a
Part 2b: same as Part 1a
Part 3a: D - Em7 - C2 - D
Part 3b: Em7 - C2 - G2 - D
Part 4: same as Part 1a
