[2] Ladislav Černý later replaced Dezel on viola and Slovene violinist Karel Sancin took the post of Ivo Trost.
[2] During World War II when the Germans forbade nationalistic titles, it was known as the Černý Quartet (Černé kvarteto, 1943–1944).
[4] The quartet toured extensively and helped to promote the music of Paul Hindemith, with whom Černý was associated.
[5] Playing with exceptional rhythmic vitality, tonal quality and technical address, the group influenced generations of Czech musicians.
[3] The quartet made several recordings including works of Antonín Dvořák, Bedřich Smetana, Leoš Janáček, Johannes Brahms and Robert Schumann.