Art rock is a subgenre of rock music that aims to separate the genre from popular entertainment, with the term typically being applied as the middle ground between mainstream and experimental rock. Art rock primarily draws influences from the wider art world which includes contemporary art, art music, avant-garde art, experimental music, avant-garde music, alongside classical music and jazz. Critics have defined art rock as a "rejection" of rock music intended solely for the purpose of popular entertainment or dancing, the term was closely associated with a specific period beginning in 1966–67, which became influential to the development of progressive rock. Wikipedia