Released on the Beatles' 2003 anthology compilation Anthology 3, 'A beginning' is a rare studio recording featuring the band's full lineup. The track serves as a musical introduction to the group's later work, showcasing their signature harmonies and songwriting collaboration. While the song was not released as a single during their active years, its inclusion in the anthology highlights the band's enduring legacy and the continuity of their musical style from their early days through the late 1960s. The recording captures the intricate interplay between John Lennon, Paul McCartney, George Harrison, and Ringo Starr, offering listeners a glimpse into the creative process that defined the Liverpool quartet's contribution to rock music.