Pop rock (also typeset as pop/rock; sometimes called guitar pop[not verified in body]) is rock music with a lighter, smoother approach that is more reminiscent of commercial pop music. Originating in the 1950s as an alternative to rock and roll, early pop rock was influenced by the beat, arrangements, and style of rock and roll (and sometimes doo-wop), but placed a greater emphasis on professional songwriting and recording craft. It may be viewed as one genre field, rather than two distinct categories. The detractors of pop rock often deride it as a slick, commercial product, less authentic than rock music.
Much pop and rock music has been very similar in sound, instrumentation and even lyrical content. The terms "pop rock" and "power pop" have been used to describe more commercially successful music that uses elements from, or the form of, rock music. Writer Johan Fornas views pop/rock as "one single, continuous genre field", rather than distinct categories. To the authors Larry Starr and Christopher Waterman, it is defined as an "upbeat variety of rock music" represented by artists and bands such as: Elton John, Paul McCartney, Rod Stewart, Chicago, and Peter Frampton.
The term pop has been used since the early twentieth century to refer to popular music in general, but from the mid-1950s it began to be used for a distinct genre, aimed at a youth market, often characterized as a softer alternative to rock and roll. In the aftermath of the British Invasion, from about 1967, it was increasingly used in opposition to the term rock music, to describe a form that was more commercial, ephemeral and accessible.
Critic Philip Auslander argues that the distinction between pop and rock is more pronounced in the US than in the UK. He claims in the US, pop has roots in white crooners such as Perry Como, whereas rock is rooted in African-American music influenced by forms like such as rock and roll. Auslander points out that the concept of pop rock, which blends pop and rock is at odds with the typical conception of pop and rock as opposites. Auslander and several other scholars such as Simon Frith and Grossberg argue that pop music is often depicted as an inauthentic, cynical, "slickly commercial" and formulaic form of entertainment. In contrast, rock music is often heralded as an authentic, sincere, and anti-commercial form of music, which emphasizes song writing by the singers and bands, instrumental virtuosity, and a "real connection with the audience".
Simon Frith's analysis of the history of popular music from the 1950s to the 1980s has been criticized by B. J. Moore-Gilbert, who argues that Frith and other scholars have over-emphasized the role of "rock" in the history of popular music by naming every new genre using the "rock" suffix. Thus when a folk-oriented style of music developed in the 1960s, Frith terms it "folk rock", and the pop-infused styles of the 1970s were called "pop rock". Moore-Gilbert claims that this approach unfairly puts rock at the apex, and makes every other influence become an add-on to the central core of rock.