The counterculture was not only affected by cinema, but was also instrumental in the provision of era-relevant content and talent for the film industry. "Bonnie and Clyde" struck a chord with the youth as "the alienation of the young in the 1960s was comparable to the director's image of the 1930s." Films of this time also focused on the changes happening in the world. A sign of this was the visibility that the hippie subculture gained in various mainstream and underground media. Hippie exploitation films are 1960s exploitation films about the hippie counterculture with stereotypical situations associated with the movement such as marijuana and LSD use, sex and wild psychedelic parties. Examples include "The Love-ins", "Psych-Out", "The Trip", and "Wild in the Streets". The musical play "Hair" shocked stage audiences with full-frontal nudity. Dennis Hopper's "Road Trip" adventure "Easy Rider" (1969) became accepted as one of the landmark films of the era. "Medium Cool" portrayed the 1968 Democratic Convention alongside the 1968 Chicago police riots.