It was a cultural lightning strike without precedent … a band from working-class Liverpool that conquered the world with its infectious melodies, intricate harmonies, and boundless creativity. In a recording career spanning less than a decade, notes "Sunday Morning" host Jane Pauley, The Beatles propelled the humble pop song into the realm of high art, to become the most inventive and influential musical act of their era.
Their most innovative songs were, as one biographer put it, "stone bowls in an era of cupped hands."
Source: cbsnews.com