Rush! Rush! Rush! There's a song with lyrics that sing Comrade in arms ah comrade in arms, not Camelot or Comrade in arms ah comrade in arms.

It should be this one:

The Song of Comrades in Arms

Combatants and comrades in arms are as close as brothers

The revolution has called us together

You come from the border, he comes from the interior

We are all the people's sons and daughters

Combatants and comrades in arms this sublime friendship

The revolution has knit us together in a collective of iron and steel

Iron collective!

Mates, comrades in arms, united in purpose

The revolution unites us

Together we train, together we learn

Together we labor, together we rest

Together we eat from the same pot, together we raise the same flag

Mates, comrades in arms

For the glory of the motherland

For the good of the people

We shall fight side by side to seize the victory.

To seize the victory

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Kinda hard to find

I typed it myself from memory lol