The Beatles were a legendary rock band from Liverpool, England, that formed in 1960 and became one of the most successful and influential musical acts of the 20th century. The band's lineup consisted of John Lennon, Paul McCartney, George Harrison, and Ringo Starr, and their innovative music and cultural impact helped define the "British Invasion" of the United States in the 1960s. The Beatles released a string of hit albums and singles, including "A Hard Day's Night," "Help!," "Revolver," and "Sgt. Pepper's Lonely Hearts Club Band," and their music incorporated elements of rock, pop, folk, and psychedelia. The band's prolific songwriting, vocal harmonies, and experimental approach to music production have made them a lasting influence on popular music and culture, and their legacy continues to inspire and resonate with fans around the world.