The greatness of Mac Rebennack, alias, Dr. John, also known as John Crieux, rests on his command of the musical use of idiomatic expression. Not a technically well-endowed singer, nor a great songwriter, he leaves his mark through the discipline and control he exerts over all that he touches.

The greatness of Mac Rebennack, alias, Dr. John, also known as John Crieux, rests on his command of the musical use of idiomatic expression. Not a technically well-endowed singer, nor a great songwriter, he leaves his mark through the discipline and control he exerts over all that he touches.

It is by now beyond question that Elton John is a competent and classy entertainer. Few people who have achieved his popularity have succeeded in maintaining his standards for performance and professionalism.

The Beatles production is often so 'perfect' that it sounds computerized. 'Sgt. Pepper' really does sound like it took four months to make.

Atlantic's Jerry Wexler believes first-rate records are made by first-rate voices. He certainly has worked with enough of them: Clyde McPhatter, Joe Turner, La Vern Baker, Ray Charles, Otis Redding, Solomon Burke, Wilson Pickett and Aretha Franklin.

The early Stones were adolescent rockers. They were self-conscious in an obvious and unpretentious way. And they were committed to a musical style that needed no justification because it came so naturally to them. As they grew musically the mere repetition of old rock and blues tunes became increasingly less satisfying.

When the Beatles cut old rock n' roll, they were recording music still in their performing repertoire, and besides, they never thought of the music as old.