Jaroslav Ježek (1906-1942) był czeskim kompozytorem, pianistą, improwizatorem i dyrygentem, autorem muzyki tanecznej, teatralnej, filmowej i klasycznej. Uważany jest za pioniera muzyki jazzowej w Czechosłowacji. Znany jest jako „trzeci” w autorskim duecie Voskovec i Werich oraz autor większości znanych i wciąż popularnych piosenek Teatru Wyzwolonego.

Radim Linhart (*1963) is a Czech composer, pianist, arranger and pedagogue. As a pianist he performs with many leading orchestras and groups and accompanies many leading personalities of the Czech music scene. As a composer, he is mainly active in the field of musical composition, has written more than ten children's musicals and has also written a large amount of music for theatre, television and film. As an arranger, he focuses in arrangements of popular music for a wide variety of ensembles, from solo pieces to arrangements for large orchestras. He has his own recording studio. In 2004 he broke the world record as the pianist with the largest repertoire in the world - he could play more than 3200 pieces by heart.