If anyone deserves to be called "the fifth beatle," it is due to his many significant contributions to the band's musical growth.

If anyone deserves to be called "the fifth beatle," then it should be “GEORGE MARTIN”.

George Martin was The Beatles' producer, manager, and mentor who brought them to EMI Music Industry Company.  He also worked on the vast majority of songs during their career.

what he said above me         look up that's the answer

answer; taking detailed notes during the interview;