Cold Nights 1996 one on netflix

Tomix, Tam-Tam and Mützen-Jacky are children of the street earning their living with music. They travel from one town to the other with their instruments to perform in the streets and in restaurants. Making music is the only thing they have ever learned. They are led by old Mahmud, an alcoholic. He is the one who concludes the business and takes in the money.