Carl Hogan
... that the "most famous signature in rock 'n' roll" – the opening riff to Chuck Berry's 1958 hit "Johnny B. Goode" – was actually a jazz riff played 12 years earlier by Carl Hogan?
... that the "most famous signature in <a class="mw-redirect" href="./Rock_'n'_roll" id="mwDgI" rel="mw:WikiLink" title="Rock 'n' roll">rock 'n' roll</a>"<span id="mwDgM" typeof="mw:Entity"> </span>– the opening <a href="./Riff" id="mwDgQ" rel="mw:WikiLink" title="Riff">riff</a> to <a href="./Chuck_Berry" id="mwDgU" rel="mw:WikiLink" title="Chuck Berry">Chuck Berry</a>'s 1958 hit "<a href="./Johnny_B._Goode" id="mwDgY" rel="mw:WikiLink" title="Johnny B. Goode">Johnny B. Goode</a>"<span id="mwDgc" typeof="mw:Entity"> </span>– was actually a <a href="./Jazz" id="mwDgg" rel="mw:WikiLink" title="Jazz">jazz</a> riff played 12 years earlier by <b id="mwDgk"><a href="./Carl_Hogan" id="mwDgo" rel="mw:WikiLink" title="Carl Hogan">Carl Hogan</a></b>?