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Raina Kabaivanska (Bulgarian: Райна Кабаиванска; née Yakimova (Bulgarian: Якимова); born 15 December 1934) is a Bulgarian opera singer, one of the leading lirico-spinto sopranos of her generation, particularly associated with Verdi and Puccini, although she sang a wide range of roles.

https://en.wikipedia.org/wiki/Raina_Kabaivanska