The document provides biographical information about the Beatles members John Lennon, Paul McCartney, George Harrison, and Ringo Starr. It discusses the band's history, including their formation in Liverpool, rise to fame in the 1960s, famous concerts, breakup in 1970, and impact. The style of music is described as evolving from 1950s rock and roll to genres like pop and psychedelic rock. Key songs and albums in their discography are listed.