The recipe for the "Dirty Mac," which is not a hamburger from the famous U.S. chain that has now landed all over the globe, is quickly stated: let’s take a pinch of Beatles & Rolling Stones and add a dash of Cream & Jimi Hendrix Experience, mix it all with ’68 and here you have a great December live performance The Dirty Mac - Yer Blues (The Rolling Stones Rock and Roll Circus) that has since faded into the mists of time or those of London...
Who knows, as Febo Conti used to say (born on the same day as Jesus Christ, but 1926 years later...) in the quizzes of his TV show when I was a kid.