Its a song called 'Hela Holala" played during the carnaval season its a kind of streetmusic performed by streetbands the kind you see in my movie. Here is a KZfaq link but there are many more on YT. I hope you find this usefull. Greetings kzfaq.info/get/bejne/ms-Cp8xhqLKbgok.html

Thanks. I went the military route as my first time with my squad . I heard this song several times and people who sing " hela holalala " . what a morale boster :)