This song by Air Supply is in many keys.
They are F#, A, Bb, G and B.

These are the “cheat” chords I played…
Part 1a: A2 - DM7
Part 1b: A2 - DM7
Part 1c: Bm7 - E11 - C#m7 - F#m7
Part 1d: Bm7 - Bm7/A - E/G# - E11
Part 2a: A2 - C#m7 - D2 - A/C#
Part 2b: Bm7 - E11
Part 2c: same as Part 2a
Part 2d: Bm7 - C#11
Part 3a: F# - BM7
Part 3b: F# - F11
Part 4a: Bb2 - EbM7
Part 4b: Bb2 - EbM7
Part 4c: Cm7 - F11 - Dm7 - Gm7
Part 4d: Cm7 - Cm7/Bb - F/A - F11
Part 5a: Bb2 - Dm7 - Eb2 - Bb/D
Part 5b: Cm7 - F11
Part 5c: same as Part 5a
Part 5d: Cm7 - D11
Part 6: G - CM7 - F#11
Part 7a: B2 - C#m7 - E2 - B/D#
Part 7b: C#m7 - F#11
Part 7c: same as Part 7a
Part 7d: same as Part 7b

Tags: air supply, cheats, easy, easy play, every woman in the world, how to play, karaoke, piano, progressions, shortcuts, simplified, singalong, tabs

不哭了 by BY2

This song is in F.

These are the “cheat” chords I played…
Part 1a: F - Bb2 - C/E - F - C/E - Dm7
Part 1b: same as Part 1a
Part 2a: Bb2 - C/Bb - Am7 - Dm7
Part 2b: Gm7 - G7/B - C11 - C
Part 3a: F - Bb2 - C/E - F - C/E
Part 3b: Dm7 - Am7 - Bb - C4 - C
Part 3c: same as Part 3a
Part 3d: same as Part 3b
Part 3e: F
Part 4a: Bb2 - Am7 - Dm7
Part 4b: Gm7 - F/A - Bb2 - C4 - C

Tags: BY2, cheats, easy, easy play, how to play, karaoke, piano, progressions, shortcuts, simplified, singalong, tabs, 不哭了

你把我灌醉 by 黄大炜

This song is in F and F#.

These are the “cheat” chords I played…
Part 1: F2 - Bbm/F
Part 2a: F2 - C11
Part 2b: Dm7 - Bb2 - C11
Part 2c: same as Part 2a
Part 2d: same as Part 2b
Part 3a: Gm7 - C11
Part 3b: same as Part 3a
Part 4a: Bb2 - C/Bb - Am7 - Dm7
Part 4b: Gm7 - C11 - FM7
Part 4c: Bb2 - C/E - Adim/Eb - D7
Part 4d: Gm7 - C11
Part 5: F2 - Bbm/F
Part 6a: Db - Eb
Part 6b: F4 - F - Dm7 - C/E
Part 6c: Db - Eb
Part 6d: F4 - F - C11
Part 7a: same as Part 6a
Part 7b: same as Part 6b
Part 7c: same as Part 6c
Part 7d: F4 - F - C11 - C#11
Part 8a: B2 - C#/B - A#m7 - D#m7
Part 8b: G#m7 - C#11 - F#M7
Part 8c: B2 - C#/E# - A#dim/E - D#7
Part 8d: G#m7 - C#11
Part 9: F#2 - Bm/F# - F#2 - Bm/F# - F#2

Tags: cheats, easy, easy play, how to play, karaoke, piano, progressions, shortcuts, simplified, singalong, tabs, 你把我灌醉, 黄大炜

This song by One Direction is in Eb.

These are the “cheat” chords I played…
Part 1a: Cm7 - Eb
Part 1b: same as Part 1a
Part 1c: Cm7 - Ab2 - Eb
Part 1d: same as Part 1c
Part 2a: Ab2 - Bb - Cm7 - Ab2 - Bb - Cm7
Part 2b: Ab2 - Bb - Cm7 - Bb
Part 3a: Eb - Ab2
Part 3b: Cm7 - Ab2 - Eb
Part 3c: same as Part 3a
Part 3d: same as Part 3b
Part 4a: Fm7 - Bb
Part 4b: same as Part 4a

Tags: cheats, easy, easy play, how to play, karaoke, one direction, piano, progressions, shortcuts, simplified, singalong, story of my life, tabs

抛物线 by 蔡健雅

This song by Tanya is in Bb.

These are the “cheat” chords I played…
Part 1a: Cm7 - F11 - Bb2
Part 1b: same as Part 1a
Part 2a: Cm7 - Bb/D - Eb2 - G11 - Gm7
Part 2b: Cm7 - F11 - Bb2 - Cm7 - Bb/D
Part 3a: Cm7 - F11 - Bb2 - F/A - Gm7
Part 3b: Cm7 - F11 - Bb2 - Cm7 - Bb/D
Part 3c: Cm7 - F11 - Bb2 - F/A - Gm7
Part 3d: Cm7 - F11 - Bb2 - (Cm7 - Bb/D)

Tags: cheats, easy, easy play, how to play, karaoke, piano, progressions, shortcuts, simplified, singalong, tabs, tanya, 抛物线, 蔡健雅