The Beatles were an English rock band formed in Liverpool in 1960. They became the most commercially successful and critically acclaimed act in the rock music era. {{#invoke:Footnotes|sfn}} The group’s best-known lineup consisted of John Lennon, Paul McCartney, George Harrison, and Ringo Starr. Rooted in skiffle and 1950s rock and roll, the Beatles later utilized several genres, ranging from pop ballads to psychedelic rock, often incorporating classical and other elements in innovative ways.