- John Lennon:
- Born: October 9, 1940, in Liverpool, England.
- Played: guitars, piano, harmonica, vocals.
- Songwriting contributions: Wrote or co-wrote many of the Beatles' most famous songs, including "Imagine," "In My Life," and "Strawberry Fields Forever."
- Paul McCartney:
- Born: June 18, 1942, in Liverpool, England.
- Played: bass guitar, piano, guitar, vocals.
- Songwriting contributions: Collaborated extensively with John Lennon on songwriting, co-writing numerous hits such as "Hey Jude," "Let It Be," and "Yesterday."
- George Harrison:
- Born: February 25, 1943, in Liverpool, England.
- Played: guitars, sitar, vocals.
- Songwriting contributions: Wrote several notable Beatles songs, including "While My Guitar Gently Weeps," "Something," and "Here Comes the Sun."
- Ringo Starr:
- Born: July 7, 1940, in Liverpool, England.
- Played: drums, percussion, vocals.
- Notable contributions: Known for his drumming style and occasional lead vocals, such as in "Yellow Submarine" and "With a Little Help from My Friends."