S.T.A.L.K.E.R. Call of Chernobyl Rostok bar radio song

Can't find this song anywhere, someone help me out with this! UPDATE: found the song. It's called "Физкультурная боевая песня" https://www.youtube.com/watch?v=Vqn_kJ1JKfo BTW, all the crap I have in my inventory? Two words: Debug Mode.