The first group to advertise themselves as psychedelic rock were the 13th Floor Elevators from Texas, at the end of 1965; producing an album that made their direction clear, with The Psychedelic Sounds of the 13th Floor Elevators the following year.
O primeiro grupo en promocionarse como rock psicodélico foi The 13th Floor Elevators de Texas, a finais de 1965; producindo un álbum ao aono seguinte que deixaba clara a súa dirección, The Psychedelic Sounds of the 13th Floor Elevators.