These are the “cheat” chords I played…
Part 1a: C(add2) - G - E7b9/G#
Part 1b: Am7 - Am7/G - F2
Part 1c: C(add2)
Part 2a: C(add2) - G - Am7 - F2
Part 2b: same as Part 2a
Part 2c: same as Part 2a
Part 2d: G4 - G
Part 3a: C(add2) - G - E7b9/G#
Part 3b: Am7 - Am7/G - F2
Part 3c: same as Part 3a
Part 3d: same as Part 3b
Part 3e: G4 - G