I listen to this alot while I'm building something at the workshop

Portal 2 Soundtrack - Making Science

This is Aperture REMAKE - Harry101UK

All credit goes to Harry101UK https://www.youtube.com/watch?v=2QO40HjRH2w

all credit goes to Harry 101 UK video link https://www.youtube.com/watch?v=7kFKdgzU0ag

If you were a core for a day, what would you do? added something extra in it. Big thanx to Harry101UK! Enjoy!