Psychedelic sound & Underground movement in Czechoslovakia in 1960s & 1970s Hells Devils Rock’n’roll group Hells Devils are regarded as the first underground band in Czechoslovakia. The band was founded in 1961 and existed until their prohibition by communists in 1964. However, their repertoire consisted of cover versions of songs by Cliff Richard, Elvis Presley and … Continue reading Psychedelic sound & Underground movement in Czechoslovakia in 1960s & 1970s