TFW that song you know about turns out to be a cover

This happened with me and Nami Tamaki. This one absolutely blew my fucking mind:

Nami Tamaki - Daitan Ni Ikimashou (Knew of this song in the mid 2000s.)
https://www.youtube.com/watch?v=Xpcg9vMQwpY

A*Teens - Perfect Match (Found out about this like, two years ago)
https://www.youtube.com/watch?v=ivfa2KdGtsw

Finding out Cum On Feel the Noize was a cover was wild to me back then.

Black Magic Woman

Santana (cover):

https://youtu.be/9wT1s96JIb0?si=MnLB0pxO18YsEB0Z

Fleetwood Mac (original):

https://youtu.be/kpg4K8qet10?si=HJfwGIin4sfzoWrT