This song by Bee Gees is in E,D and G keys.
Part 5 is the interlude.
These are the “cheat” chords I played…
Part 1a: EM7 - B11
Part 1b: same as Part 1a
Part 2a: G - A - F#m7 - Bm7
Part 2b: G - A - F#m7
Part 2c: G - A - F#m7 - Bm7
Part 3a: CM7
Part 3b: [...]
