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Arturo Toscanini, the renowned Italian conductor, bestowed upon Renata Tebaldi the title "la voce d'angelo," which translates to "the voice of an angel." Tebaldi's extraordinary vocal talent, characterized by its purity, emotional depth, and soaring high notes, left an indelible mark on the world of opera. She commanded international acclaim for her interpretations of iconic roles, particularly those in the works of Verdi and Puccini.