This song by Mr. Probz is in E.
These are the “cheat” chords I played…
Part 1a: E2 - G#m7
Part 1b: C#m7 - C#m7/B - A2
Part 1c: E2 - G#m7
Part 1d: C#m7 - C#m7/B - A2 - E/G#
Part 2a: F#m7 - C#m7 - B4 - E/G#
Part 2b: F#m7 - C#m7 - B4
Part 3a: E2 - G#m7
Part 3b: [...]