Soprano Stefka Evstatieva has passed away. She was 78 years old. Evstatieva was born on May 7, 1947 in Bulgaria. She studied voice at the State Academy of Music in Sofia. Her career began in 1971 at the Ruse Opera, where she made her debut as Amelia in “Un ballo in maschera.” She joined the Sofia National Opera in 1978 {…}