Freerik (real Ilkka Juhani Sysimetsä, born February 2, 1945) is long career made Finnish singer. He is known by his nickname Reetu. He got from his long career five gold - and three diamondrecord. His popular nickname in these day is Junttidiscon kuningas (King of hillbillydisco). His best-known songs are Jos jotain yrittää (Harva meistä on rautaa), Linda Linda, Tsingis Khan, Sheikki Ali Hassan, Titanic, Stenka Rasin, Kasakkapartio, Volga and many more.