How mathematics revealed a Beatles secret
It's probably the most famous chord in popular music — but for decades, no-one could figure out exactly how to play the opening chord of A Hard Day's Night.
Continue Reading http://www.abc.net.auIt's probably the most famous chord in popular music — but for decades, no-one could figure out exactly how to play the opening chord of A Hard Day's Night.
Continue Reading http://www.abc.net.au
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