Cake’s covers are crazy good. Check out their version of mahna mahna and never never gonna give you up.

Turisas - Rasputin

Just in case you want to hear a metal cover of one of the silliest disco songs ever

I'm Blue (Da Ba Dee) - Fleshgod Apocalypse

In no particular order.

-A Perfect Circle Peace, Love, and Understanding

-Anything off of the Renegades album by Rage Against the Machine

-Goodnight Nurse cover of Milkshake

-Metro cover by System of a Down.

Smashing Pumpkins have been doing a cover of Once in a Lifetime on tour this year. No studio recording but you can find it on youtube.