Mezzo Borodina is a Russian opera singer, Olga Borodina, who is best known for her mezzo-soprano roles. She has performed in many of the world's leading opera houses, including the Metropolitan Opera in New York City and the Bolshoi Theatre in Moscow. She has also been featured in numerous recordings, including her Grammy-nominated album of Russian arias. Her repertoire includes works by composers such as Tchaikovsky, Mussorgsky, and Rimsky-Korsakov.