How the Rolling Stones' 'Jumpin' Jack Flash' Killed Psych and Brought Back the Riff – With a Half-Speed Guitar Trick

After the trippy detour of Their Satanic Majesties Request, the Stones needed a reset. ‘Jumpin’ Jack Flash’ wasn’t just a single – it was a manifesto. They abandoned the Mellotrons and sitars for a raw, almost primal guitar sound that felt like a punch in the chest. The shift back to hard rock started right there.

The secret weapon was tape speed manipulation. Keith Richards recorded his iconic guitar riff at half-speed onto a four-track, then played it back at normal speed. That made the notes sound heavier, thicker, and slightly grittier – like a guitar being played through a blown-out amp, but it was all in the tape. The same trick was used on Nicky Hopkins’ piano, giving the whole track that lurching, distorted crunch.

It worked so well because it didn’t sound like a studio gimmick. It sounded like the band rediscovering their own dirt. The riff became the blueprint for the next decade of Stones records – and a reminder that sometimes you have to slow things down to get the real power back.