Modus was a popular Czechoslovak band, originally established in 1967 by Stanislav Hrda, Ján Baláž, Peter Krutek, Juraj Czinege, T. Psota, Ľubomír Stankovský, Gabriel Wertlen and Miroslav Žbirka. The formation (identified nowadays as Modus 0 initially played cover versions of the 60's hits. A major change followed after the arrival of Ján Lehotský who joined the ensemble in 1972, and became their leader.