Kostas Chatzis was born in Livadia in 1936 and comes from a family of Roma folk musicians. At the age of sixteen, he sang with his father at weddings, baptisms and other events. At that time, he wrote his first songs which speak almost exclusively about the sorrows and sufferings of his race.
In 1957 he settles in Athens becoming more widely known and makes his first appearance in 1961 in the "Tipoukeitos" music hall. Over the years, he becomes more known, presenting and recording his own songs, which made him a figure of a modern troubadour with a unique voice and personal style of interpretation. Chatzis sang ballads, usually with strong themes of social criticism, expressing the poor class of the season, which established him in the public consciousness.
Famous composers of the era, such as Manos Hadjidakis, Mimis Plessas, Mikis Theodorakis, Giannis Markopoulos and Stavros Xarchakos discover him and gave him their songs to interpret, which he did with his own distinctive character.