Book excerpt: 'Every Sound There Is': Revolver and the Transformation of Rock and Roll assesses and celebrates the Beatles' accomplishment in their 1966 masterpiece. The essays of Every Sound There Is examine Revolver from a large number of complementary starting points that help us to understand both the album's contemporary creation and reception and the ways in which it continues to shape the creation and reception of popular music in the twenty-first century. Responding to the incredible diversity of Revolver, this gathering of international scholars focuses on the Beatles' 1966 album as one of rock and roll history's threshold moments. Bringing to bear approaches from the disciplines of musicology, cultural studies, poetics, gender studies, these essays address matters as diverse as the influence of American R&B on Revolver as well as its influence on Pink Floyd, each Beatle‘s contributions to the album, the musicological significance of the Beatles' harmonies and chord progressions, its status and coherence as a work of art, the technological and marketing significance of Revolver's recording and distribution, and its influence on the development of rock music.