Music / Music History / Musicology / XXth century music / Singing / Musical Interpretation / Musicology, art of singing: opera, and choral music / XX-XXI century music / Singing, Vocal Techniques / Music of XX Century / Vera Janacopulos / Musical Interpretation / Musicology, art of singing: opera, and choral music / XX-XXI century music / Singing, Vocal Techniques / Music of XX Century / Vera Janacopulos