This song by Jim Brickman is in Bb and F.
Part 1,2 & 3 are in Bb, whereas Part 4 & 5 are in F.
These are the “cheat” chords I played…
Part 1a: Bb2 - F/A - Gm7 - Gm7/F
Part 1b: Eb2 - Bb/D - Cm7 - Eb/F
Part 2a: Bb/D - Eb2 - Eb/F - F/Eb
Part 2b: same as Part 2a
Part 2c: Bb/D - D7/F# - Gm7 - Gm7/F - C7/E
Part 2d: Cm7 - Bb/D - Eb/F - Bb2
Part 3: Bb2 - F/A - Gm7 - Gm7/F - Eb2
Part 4a: F2 - C/E - Dm7 - Dm7/C
Part 4b: Bb2 - F/A - Gm7 - Bb/C
Part 5a: F/A - Bb2 - Bb/C - C/Bb
Part 5b: same as Part 5a
Part 5c: F/A - A7/C# - Dm7 - Dm/C - G7/B
Part 5d: Gm7 - F/A Bb/C - F2
