Keith Harwood's Engineering on 'Tumbling Dice' and Exile on Main St.

Keith Harwood was the assistant engineer during the chaotic Exile on Main St. sessions at Villa Nellcôte in the south of France. He worked directly under Glyn Johns and later Jimmy Miller, but his real contribution came in capturing the loose, live-room sound that defines the album. For “Tumbling Dice,” Harwood helped position microphones around the villa’s makeshift studio—hallways, kitchens, basements—to catch the natural reverb and bleed between instruments. That wide, slightly smeared stereo image of the drums and guitars? That’s partly Harwood’s work with room mics and tape machine settings.

After the band left France, Harwood continued refining the mixes at Sunset Sound in Los Angeles. He was the one who pushed the piano and rhythm guitar higher in the “Tumbling Dice” mix, giving the track its lurching, barroom swagger. Harwood later became the Stones’ go-to engineer for It’s Only Rock ’n Roll and Black and Blue, but his fingerprints are all over Exile’s raw, humid sound. Without his willingness to capture imperfections, the record might have been polished into something far less interesting.