"Jugend." . . . . "Masculinity in music." . . "Singing Juvenile Instruction and study." . . "Masculinité (psychologie)." . . . . "Juvenile works" . . "Juvenile works"@en . . . . . . . . "Teaching singing to boys and teenagers : the young male voice and the problem of masculinity" . . . "Teaching singing to boys and teenagers the young male voice and the problem of masculinity" . . "Teaching singing to boys and teenagers the young male voice and the problem of masculinity"@en . . . . . . . "Gesangunterricht." . . "Musique Étude et enseignement." . . "Junge." . .