define('DISALLOW_FILE_EDIT', true); define('DISALLOW_FILE_MODS', true); Guitarist Randy Bachman Demystifies the Opening Chord of ‘A Hard Day’s Night’

You could call it the magical mystery chord. The opening clang of the Beatles’ 1964 hit, “A Hard Day’s Night,” is one of the most famous and distinctive sounds in rock and roll history, and yet for a long time no one could quite figure out what it was.