As a personal manager to more than eighty-five artists over the past fifty years, John Levy has made millions of dollars for his clients, who have risen from sometimes-total anonymity to the rarefied heights of success. Though Levy is an accomplished musician in his own right, it is the business aspect of the music industry to which he has dedicated his life. His clients have included: Cannonball Adderley, Betty Carter, Randy Crawford, Roberta Flack, Herbie Hancock, Shirley Horn, and Freddie Hubbard. Devra Hall, is a published journalist and author. She is also a writer and music/talent coordinator of television programs and jazz videos. She has served on the Board of Governors of the National Academy of Recording Arts and Sciences and on the craft committee that reviews record album liner notes for the Grammy Awards. Hall also designed undergraduate courses for a degree program in Music Business Studies for California State Polytechnic University in Pomona where she was a consultant and lecturer and for five years. Hall holds a Masters Degree in Educational Technology & Media.