"Comfort women." . . "Comfort women Japan History." . . "Korea." . . "Women singers." . . "Hearts of pine : songs in the lives of three Korean survivors of the Japanese \"comfort women\""@en . . . . . . . "Criticism, interpretation, etc"@en . . "History"@en . . . . . . . . . "Songs, Korean History and criticism." . . "Women singers Korea." . . "Music Social aspects Korea." . . "Songs, Korean." . . "Japan." . . "Music Social aspects." . . "Comfort women Korea History." . . . .