A pedagogue and composer of light music for wood-wind, entertainment, and dance orchestras, Švehla also works as an arranger of pop, folk, and instructive music. In the years 1935–1938 he studied organ at the Prague Conservatory under Karel Douša and Vladimír Němec, and, later on, piano under Rudolf Klier and composition under Jaroslav Řídký (1939–1947). Švehla earned his living as a répétiteur and conductor in several theatres in Prague.
In 1949 he started teaching at a Public Art School in Zbraslav. He led the Prague Musicians ensemble in the Czechoslovak Radio. His compositions, most of which were also written for the Radio, have been awarded several times in Czech competitions, for example in the Artistic Competition of the North Moravian Region National Committee (1974). Three times he won a prize in the Seven Microphones radio competition (1975, 1978, 1979), in 1983 he was successful in the Golden Mace competition. In 1978 – 82 his compositions were premiered during the Weeks of New Production of the Federation of Czech Composers and Concert Artists.
Titles for hire - see Complete catalogue