Everyone agrees on one thing: Ahmet Ertegun was far and away the most important behind-the-scenes figure in Rhythm ‘n’ Blues and Soul history. A visionary and true pioneer, his enthusiasm for Jazz and R&B was boundless, and his contributions to this art form throughout the last half of the 20th century are unprecedented. Soul, Rhythm ‘n’ Blues, Jazz, and even Rock ‘n’ Roll prospered under the auspices of his singular ability to spot, nurture, and produce talen …