This study recapitulates the work of Czech musicologist and folklorist Karel Vetterl (1889– 1979) in the Brno Radio. Vetterl worked for the Brno Radio from 1927 to 1946, his career progressed from programme assistant through the manager of music programmes to the director of the whole Brno Radio. After the war he was discharged for political reasons. Vetterl, one of the first pupils of Vladimír Helfert at the Brno University and his close collaborator, became one the main names among those responsible for programme production in the Brno Radio, which he made a modern radio institution of nationwide importance.