album_name: Maria Callas Sings Verdi Heroines
artists: 3923a60fbde14ef4ab9fbc1540458848
artists: Giuseppe Verdi
artists: ARTIST_ROLE_COMPOSER
artists: 05fe614dbb094b569bc50cdccaf89b96
artists: Maria Callas
artists: ARTIST_ROLE_MAIN_ARTIST
artists: 052bd816a0ac4c41a17b05466430adc8
artists: Philharmonia Orchestra
artists: ARTIST_ROLE_MAIN_ARTIST
artists: 0dce1ea446074d37b91df4ba81d2c3eb
artists: Nicola Rescigno
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name: Macbeth, Act IV: "Una macchia e qui tuttora!"