beatniks, drug pedlars, sexual delinquents and Mods

available in many formats at the internet archive [new link in comments 16/10/12]

Rock'n'Roll landed in the British Isles like a Martian spaceship. There was scarcely the Afro-American music or subculture here that could prepare anyone for the brutality and sheer sexual explosiveness of the records that, between 1954 and 1959, seemed to drop from heaven like the offerings of a cargo cult. These records were so transforming that nobody who heard them could find a language to explain them except in the phrases of the songs themselves, which talked in tongues: 'A Wop Bop A Loo Bop', 'Be Bop A Lula'.