Jay Joseph Graydon is an American songwriter, recording artist, guitarist, singer, keyboardist, producer, arranger, and recording engineer. He is the winner of two Grammy Awards with twelve Grammy nominations, among them the title "Producer of the Year" and "Best Engineered Recording". He has mastered many different music styles and genres, and his recordings have been featured on record, film, television and the stage.

Donald Johnson Ellis was an American jazz trumpeter, drummer, composer, and bandleader. He is best known for his extensive musical experimentation, particularly in the area of time signatures. Later in his life he worked as a film composer, contributing a score to 1971's The French Connection and 1973's The Seven-Ups.