Led Zeppelin crowned Greatest Guitar Riff of All Time beating AC/DC, Ozzy and Deep Purple

A LED ZEPPELIN classic has been voted the greatest guitar riff of all time ahead of fellow rock gods AC/DC, Ozzy Osbourne and Deep Purple. But which classic Jimmy Page track is it? There can only be one. It’s the guitar riff that changed music forever. Led Zeppelin exploded onto the scene in 1969 with their eponymous debut album. It…