Hello my exploration is Hidden voice our group have 13 students and our facilitator is three is Sopporn Trish and Rich. Our goal for this exploration is to find old song befor Khmer rouge. Our group had when to a lot provide to to interview the villager to find old song and we have whent to Kompong Spue and Mondulkiri and we have interviewed the Bunong people and people in Kompong spue market and famous singer. Our group had when to Camkid school to interview the old elder in Chba chrus village in Kompong Speu province. And our group had interview Liger student’s parent by phone. Our Exploration want to show the world and Cambodian about the art of singing in the old day in the 60s.