Psychedelic music is a word talking about many different music styles and genres , such as psychedelic rock , psychedelic folk , psychedelic pop , psychedelic soul , psychedelic ambient , psychedelic trance , psychedelic techno , and others . Many people use the words acid rock to talk about psychedelic rock . It spread into psychedelic folk , psychedelic rock , psychedelic pop and psychedelic soul in the 1960s before declining in the early 1970s .