Jaroslav Ježek (1906-1942) was a Czech composer, pianist, improviser and conductor, author of dance, theatre, film and classical music. He is considered a pioneer of jazz music in Czechoslovakia. He is known as the "third" in the author duo Voskovec and Werich, and the author of most of the well-known and still popular songs of the their Osvobozene divadlo theatre.

Marek Iglo (*1968) is a Czech composer, arranger and teacher, son of the composer Milan Iglo (*1933). In years 1986-1991 he studied piano at prof. Eva Bogunia and composing at Ilja Hurník and Bohumil Řehoř at the Prague Conservatoire. He graduated from the Faculty of Pedagogy at the University of Hradec Králové in the field of Education at Primary Music Schools. In addition to pedagogical activities, he also works on composing and arranging pieces, mostly for children. He is currently teaching at the Music School of the R. A. Dvorský in Dvůr Králové nad Labem.