The mezzo-soprano, Boika Koseva, was born 10 April 1926 in Turgovishte. She graduated from the State Academy of Music as a student of Ana Todorova, then studied with Dimiter Kozhouharov.
She joined the Sofia National Opera in 1961 and specialized in the roles of Ulrica, Amneris, Marfa, and Ortrud. In addition to her performances on the opera stage she was known as a successful concert singer.
Verdi: Un ballo in maschera Re dell' abisso
Verdi: Il trovatore Condotta all'era in ceppe