[2] From 1938 to 1941 he worked as artistic director for the Ukrainian State Philharmonic (during the German-Soviet war).

Kozytskyi's adopted daughter Gulya Korolyova was a popular child actress in the 1930s.

After she died in action in 1942, she was glorified as one of the Soviet official martyrs for the Fatherland.

A founding member of the Leontovych Music Society,[2] Kozytskyi was also head of the Union of Soviet Composers of Ukraine from 1952 to 1956,[3] and president of the Choral Society of the Ukrainian SSR from 1959 up to his death in 1960.

[4] Kozytskiy died in Kyiv on 27 April 1960, and is buried in the Baikove Cemetery.