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What will all this mean for rock? What's more - what are Lewis, Presley and Little Richard up to ITTL?
Rock & roll was evolving anyway. It would have been influenced by the musicians who OTL had been rolled under by the British Invasion. Many of them would have remained on the charts and had renewed contracts, instead of day jobs, cheap apartments, alcohol and drug abuse, and occasionally careers revived in middle age.
But, here is a question; absent the Beatles would the Rolling Stones have not gained any traction?