The sonic stew of blues, country, soul and rock 'n' roll that Leon Russell served up was quintessential Americana before the term existed in music. The Okie journeyman's songs overflowed with so much downhome, gutbucket groove juice that they made British rock legends like The Rolling Stones ("Shine a Light"), Eric Clapton ("Blues Power") and Joe Cocker ("Delta Lady") sound like they'd been born and raised in Dixie.