The lineup: John Lennon (The Beatles), Eric Clapton (Cream, The Yardbirds, John Mayall and the Bluesbreakers), Keith Richards (The Rolling Stones), Mitch Mitchell (The Jimi Hendrix Experience)
The story: In December 1968, The Rolling Stones shot an epic rock event destined for television - an actual circus around which the cream of rock's performers got together (including The Who, Jethro Tull, Taj Mahal and Marianne Faithfull). For this one event, four titans of rock got together as well.
Dubbing themselves The Dirty Mac, John Lennon took lead vocals and guitar, Clapton provided blistering lead guitar, Keith Richards unusually played bass and Mitchell provided driving support on the drums. Lennon belted out The Beatles' 'Yer Blues' and when he screamed "I even hate my rock'n'roll" you knew the Beatles really were on their way out. Ironically, then Yoko Ono took over and started wailing.
Album to buy: The Rolling Stones Rock and Roll Circus
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.
Confused Apple customers are finding coins in their MacBooks.
High levels of iron help prevent hearing loss, a study has claimed.
A software engineer has constructed a fingernail-sized engine made of paper and it totally works!
x Share us on Facebook