Power pop is a subgenre of rock music and a form of pop rock based on the early music of bands such as the Who, the Beatles, the Beach Boys, and the Byrds. It typically incorporates melodic hooks, vocal harmonies, an energetic performance, and cheerful sounding music underpinned by a sense of yearning, longing, despair, or self-empowerment. The sound is primarily rooted in pop and rock traditions of the early-to-mid 1960s, although some artists have occasionally drawn from later styles such as punk, new wave, glam rock, pub rock, college rock, and neo-psychedelia.

Pop rock is a fusion genre characterized by a strong commercial appeal, with more emphasis on professional songwriting and recording craft, and less emphasis on attitude than standard rock music. Originating in the late 1950s as an alternative to normal rock and roll, early pop rock was influenced by the beat, arrangements, and original style of rock and roll. It may be viewed as a distinct genre field rather than music that overlaps with pop and rock. The detractors of pop rock often deride it as a slick, commercial product and less authentic than rock music.