克莱门特·斯拉维基 Klement Slavický

Czech composer (September 22, 1910, Tovačov, Czechia – September 4, 1999, Prague, Czechia) of modern classical music. He also worked as a music director and conductor. Author of choral, orchestral and chamber music compositions. His works, often influenced by genuine folk music, are characterised by energic, dramatic expression and accomplished instrumental technique.
https://www.discogs.com/artist/2128873-Klement-Slavick%C3%BD