The Mysterious Voices of Bulgaria belong to The National Radio And Television Chorus, the premier women's choir popularized worldwide through the efforts of ethnomusicologist Marcel Cellier. His recordings, issued on various import labels before appearing on Nonesuch, made a big splash in western Europe and the US, cultivating vast new audiences for the group's dramatic adaptations of folk singing styles. Their spine-chilling harmonies, punctuated by whoops and quavers, are presented in full choral arrangements and smaller groups -- duos and trios -- with and without instrumental backing. ~ Myles Boisen, Rovi