The popular Zombie Nation fan chant song at that you often hear at sporting events was originally from a Commodor 64 game that came out in 1984.

https://www.youtube.com/watch?si=2u2mrB5xiLVY2Nfo&v=YsorGbKwNlA&feature=youtu.be

Here's the remix that came out in 1999 in case you're hearing more than the parts played in the stadium.

https://www.youtube.com/watch?si=PUwqX5Ch_p1DAa67&v=gbcG2TI4GBk&feature=youtu.be