Semen was a member of tank crew during World War II and was killed in combat.
In 1961 Miroshnychenko worked in Milan in La Scala under the direction of Elvira de Hidalgo.
She took part in international and national competitions, acted in musical films, recorded discs, and gave performances in tours across the United States, Canada and western Europe.
[citation needed] In 1980, Miroshnychenko became a teacher at the Kyiv Conservatory, and 1990 she became Professor of Vocal Studies there.
[4] Miroshnychenko lived in Kyiv, and was involved with charities and teaching, founding the International Charitable Organizations that helped establish the city's Small Opera Theatre.