This song is from the game cannon fodder specifically from the amiga I think? It's used in the intro. If you use it don't credit me LMAO it's not mine War! Never been so much fun! War! Never been so much fun! War! Never been so much fun! War! Never been so much fun! Go up to your brother, kill him with your gun! Leave him lying in his uniform, dying in the sun! War! War! Never been so much fun! War! Never been so much fun! War! Never been so much fun! War! Never been so much fun! Go up to your brother, kill him with your gun! Leave him lying in his uniform, dying in the sun! War! War! K-k-kill him- k-k-kill him- kill him with your gun! kill him with your gun! kill him with your gun! kill him with your gun! kill him with your gun! kill him with your gun! So much fun! War! W-w-w-war! Go-go-go-su-go-su-go-go- G-go-go-go-go-go-go- Go-go-go up to you brother- G-go up to your brother- G-g-go up to your brother, kill him with your gun! Go up to your brother, kill him with your gun! Dying in the sun! Kill him with your gun! Dying in the sun! So much fun! War! War! Never- never- never- never- never- never- War! Never been so much fun! War! Never been so much fun! War! Never been so much fun! War! Never been so much fun! Go up to your brother, kill him with your gun! Leave him lying in his uniform, dying in the sun! War! War! War! war! War! War! War! WAR! art by @rainbowsheep44
This song is making fun of people who think war is the solution to every problem by being from their perspective, it's not seriously saying "yay war!"