Ever wonder why British singers sound American? Blame The Beatles.

From Slate:

For the newest James Bond movie, Skyfall, English singer Adele recorded a song with the same name. Though Adele speaks with a strong London accent, her singing voice sounds more American than British. Why do British vocalists often sound American when they sing?

Because that’s the way everyone expects pop and rock musicians to sound. British pop singers have been imitating American pronunciations since Cliff Richard, the Beatles, and the Rolling Stones began recording in the 1960s.* These musicians were largely influenced by the African-American Vernacular English of black American blues and rock and roll singers like Chuck Berry, but their faux-American dialects usually comprised aspects of several American dialects. Imitating an American accent involved both the adoption of American vowel sounds and rhoticity: the pronunciation of r’s wherever they appear in a word. (Nonrhoticity, by contrast, is the habit of dropping r’s at the end of a syllable, as most dialects of England do.) Sometimes Brits attempting to sing in an American style went overboard with the r’s, as did Paul McCartney in his cover of “Till There Was You,” pronouncing saw more like sawr.

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