J.J. Cale，J. J. Cale was an American guitarist, singer, and songwriter. Though he deliberately avoided the limelight his influence as a musical artist has been widely acknowledged by figures such as Neil Young and Eric Clapton, who described him as "one of the most important artists in the history of rock".[3] He is considered to be one of the originators of the Tulsa Sound, a loose genre drawing on blues, rockabilly, country, and jazz.