Johnny Richards was a prolific jazz arranger known for his sophisticated and often adventurous orchestrations. His work, encompassing 36 arrangements in a prominent jazz band library, showcased a distinctive blend of lush harmonies and intricate counterpoint. Richards' background in classical music heavily influenced his approach, bringing a rich, symphonic quality to big band jazz. He significantly contributed to the genre by expanding its harmonic and textural possibilities, leaving a lasting impact on jazz composition and arrangement.