Final answer:
The Beatles' song "Yesterday" by Lennon & McCartney is often considered one of their greatest works, achieving widespread acclaim and numerous cover versions, including recognition within the Grammy Hall of Fame.
Step-by-step explanation:
Defining the greatest song by Lennon & McCartney can be subjective, but one song that frequently comes up in discussions is "Yesterday." This piece stands as one of the most covered songs in the history of recorded music, with over 2,200 cover versions.
Moreover, "Yesterday" has achieved significant milestones, including being inducted into the Grammy Hall of Fame and earning McCartney an Ivor Novello award for "Highest Certified Sales of a Single" in 1965.
Aside from its critical acclaim, "Yesterday" also had a cultural impact. Its melancholic melody and personal lyrics resonated with listeners worldwide, becoming a staple in popular music. The song's influence and lasting popularity underscore the songwriting prowess of Lennon and McCartney during their time with The Beatles.