Jamie Foxx’s Oscar-winning performance as Ray Charles in 2004’s ‘Ray’ will go down in history as one of his best. But his chemistry with the music icon off screen was just as touching. As production for the film began in July of 2002, Foxx and Charles met for what SFGATE called a “trial-by-jam-session,” so the actor could pick up on some of the musician’s piano-side charm. He ended up earning Charles’ blessing, and avoided meeting with him again–instead using tapes provided by Quincy Jones of a