African American soprano Angel Blue has said she will not perform in an opera in Italy this month because another production held at the theater earlier this year featured performers in blackface. The 38-year-old Grammy Award-winner announced she is bowing out of La Traviata at Verona Arena, in Verona, Italy, later this month. She blasted the theater as 'archaic' for mounting another Giuseppe Verdi opera, Aida, that featured performers in blackface. They include Anna Netrebko, a white Russian soprano, has been cast in the titular role of Aida in Verdi’s opera - despite the character being an Ethiopian princess. In...