Jan & Kjeld was a boy duo. They were brothers and achieved national fame at a 1956 televised show in support for victims of Hungarian uprising. Both boys sang and played the banjo. Their recording of "Banjo Boy" in 1960 became very popular in Germany. Theyy revorded a string of records in english, german and danish and toured England, Norway, Germany, Sweden, Holland, France, Finland, Iceland =& Luxembourg, Poland, Czechoslovakia, Hungary, Yugoslavia & Estonia, Latvia and Lithuania.