The Beatles

Genres
rock and roll

psychedelic rock

heavy metal

hard rock

reggae

Significance
Beatlemania

started the British invasion

Joe Cocker covered With A Little Help From My Friends, later used as the theme song to coming-of-age fifties set sitcom The Wonder Years.

referenced in Don McLean's American Pie

Come Together was successfully covered by Aerosmith

The film Across the Universe was based on their career.