How a Gardener Named Jack Provided the Riff for 'Jumpin' Jack Flash'

The song’s signature riff started not in a studio, but in the garden of Keith Richards’ country house. A gardener named Jack — stamping his boots on the ground and muttering about the weather — caught Keith’s ear. Keith turned to Mick Jagger and said something like, “Jumpin’ Jack Flash, it’s a gas.” The phrase stuck.

That night, Richards recorded a rough demo using a Philips cassette recorder placed on a piano stool. He played an acoustic guitar riff that mimicked the gardener’s stomp, with Jagger singing the hook in a stream-of-consciousness mumble. The simple cassette capture became the song’s DNA — a raw, unrepeatable moment.

At Olympic Studios in early 1968, the band and producer Jimmy Miller rebuilt the track around that demo. The final take featured Bill Wyman’s bass throb, Charlie Watts’ snare snap, and a piano part by session ace Nicky Hopkins. The distorted guitar sound came from a Gibson Hummingbird wired through an early fuzz box. Released in May, the single became a worldwide hit and a blueprint for the Stones’ harder, dirtier sound.