The key here is Ab.

These are the “cheat” chords I played:
Part 1: Db - Ab/C - Cm - Fm7 (2x)
Part 2: Db - Ab/C - Bbm7 - Bbm7/Ab - Eb/G - Eb
Part 3a: Ab - Eb/G - Db/F - Gb/Eb
Part 3b: Db - C4 - C/E - Fm - Gb - Eb - Bbm7 - Db/Eb - Eb - Ab

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This song is Eb key.

Tags: beautiful in my eyes, cheats, chords, how to play, joshua kadison, karaoke, piano, progressions, shortcuts, simplified, singalong, tabs

This song is in the F# key.

Tags: 25 minutes, cheats, chords, how to play, karaoke, MLTR, piano, progressions, shortcuts, simplified, singalong, tabs

This song is in D key.

These are the “cheat” chords I played in the video…
Intro: Bm7 - Bm7/A - GM7 - D2 - A/C#
Part 1: Bm7 - Bm7/A - GM7 - D2 - A/C#
Part 2: Em7 - A - Bm - A - G2
Part 3: GM7 - D - A
Part 4: Em7 - GM7 - A - Bm7

Tags: cheats, chords, hillsong, how to play, karaoke, lead me to the cross, piano, progressions, shortcuts, simplified, singalong, tabs

幸福不滅 — 羅志祥

The song is in Eb key.

These are the “cheat” chords I played:
Part 1: Eb - Bb/D - G/B - Cm7 - Cm7/Bb - Ab - Ab/Bb - Bb
Part 2a: Ab - Bb/Ab - Gm7 - Cm7 - Fm7 - Ab - Ab/Bb - Bb - Eb - Db/F - Eb/G
Part 2b: Ab - Bb/Ab - Gm7 - Cm7 - Bb/D - Cm7/E - Fm7 - Ab/Bb - Bb - Ab/Bb - Bb
Part 3a: Ab - Bb - Eb - Db/F - Eb/G
Part 3b: Ab - Bb - Cm7 - Cm7/Bb - Cm7/A
Part 3c: Ab - G4 - G/B - Cm7 - Cm7/Bb - F/A - Fm7 - Ab/Bb - Bb - Eb

Tags: cheats, chords, how to play, karaoke, piano, progressions, shortcuts, show luo, simplified, singalong, tabs, 幸福不滅, 羅志祥