In 2008, the group topped Billboard magazine's list of the all-time most successful artists as of 2017, they hold the record for most number-one hits on the Hot 100 chart with twenty. They are also the best-selling music artists in the United States, with 178 million certified units. They have had more number-one albums on the British charts and sold more singles in the UK than any other act. The Beatles are the best-selling band in history, with estimated sales of over 800 million physical and digital albums worldwide. In 1963, their enormous popularity first emerged as 'Beatlemania' as the group's music grew in sophistication, led by primary songwriters Lennon and McCartney, the band were integral to pop music's evolution into an art form and to the development of the counterculture of the 1960s. Rooted in skiffle, beat and 1950s rock and roll, the Beatles later experimented with several musical styles, ranging from pop ballads and Indian music to psychedelia and hard rock, often incorporating classical elements and unconventional recording techniques in innovative ways. With members John Lennon, Paul McCartney, George Harrison and Ringo Starr, they became widely regarded as the foremost and most influential music band in history. The Beatles were an English rock band formed in Liverpool in 1960.

The beatles let it be the beatles