The Everly Brothers rock groups of the 1960s. The Beatles, The Beach Boys, and Simon & Garfunkel developed their early styles by performing Everly songs. The Bee Gees, The Hollies, The Marmalade, and other rock and roll groups that feature harmony singing were also influenced by the Everlys. The music of the Everly Brothers influenced the Beatles, who referred to themselves as "the English Everly Brothers" when Paul McCartney and John Lennon went hitchhiking south to win a talent competition. They based the vocal arrangement of "Please Please Me" on "Cathy's Clown." Keith Richards called Don Everly "one of the finest rhythm players."
The Everly Brothers Rose was reportedly upset that the Everlys were recording a song which he had not published and, hence, for which he would not receive any publishing royalties, and he made strenuous efforts to block the single's release. The Everlys held firm to their position, and as a result, in the early 1960s, they were shut off from Acuff-Rose songwriters. These included Felice and Boudleaux Bryant, who had written and composed most of their hits, as well as Don and Phil Everly themselves, who were still contracted to Acuff-Rose as songwriters and had written several of their own hits. Nevertheless, from