 Gold was also a sideman with Johnny Smith, Al Cohn, Vic Dickenson, Coleman Hawkins and Sally Blair.Gold was one of the premier jazz piano teachers of his time.His self-published book, "A Modern Approach to Keyboard Harmony and Piano Techniques," distills the complexities of jazz and classical harmony down to a simple yet far-reaching system of piano and harmonic exercises, and has become an underground classic for serious students of the instrument.