 In 1971, while studying medicine at TAU, Gideon "Gidi" Koren founded the Israeli musical group, The Brothers & the Sisters ("ha'achim veha'achayot"), which features an Israeli folk/country style.The band performed many of Koren's songs and musical plays for children.In 1974, in collaboration with Israeli performer Shlomo Artzi, Koren composed a record album based on his grandmother Keri's story, "A Journey to Noteland."