Here are a few to get things started:
Don Henley’s The Boys of Summer as an 80s synth tune
Bossa nova version of Crowded House’s Don’t Dream It’s Over
Reggae-ish version of Aretha Franklin’s Respect
A capella men’s ensemble version of Lady Gaga’s Bad Romance
The Hu playing “Sad but True” by Metallica (in Mongolian) https://www.youtube.com/watch?v=QpxA_ZxGX_M