As a musician, Jaroslav Hovorka is known primarily as the leader of the Heuréka group. This ensemble recorded several music programmes for the Czech Television, namely such as programmes as Ejhle (Lo and Behold), Heuréka and Devatero tváří lásky (Nine Faces of Love), directed by J. Bonaventura. Jaroslav Hovorka participated in these programmes not only as a musician but also as a scriptwriter. The group recorded songs for the Czech Radio in Prague, Hradec Králové and Ústí nad Labem on a regular basis.