William Henry Marcus Miller Jr. is an American musician, songwriter, and record producer. He has worked with trumpeter Miles Davis, pianist Herbie Hancock, singer Luther Vandross, and saxophonists Wayne Shorter and David Sanborn, among others. He was the main songwriter and producer on three of Davis' albums: Tutu (1986), Music from Siesta (1987), and Amandla (1989). His collaboration with Vandross was especially close; he co-produced and served as the arranger for most of Vandross' albums, and he and Vandross co-wrote many of Vandross' songs, including the hits "I Really Didn't Mean It", "Any Love", "Power of Love/Love Power" and "Don't Want to Be a Fool". He also co-wrote the 1988 single "Da Butt" for Experience Unlimited.

Luther Ronzoni Vandross Jr. was an American soul and R&B singer, songwriter, and record producer. Throughout his career, he achieved eleven consecutive RIAA-certified platinum albums and sold over 40 million records worldwide. Known as the "Velvet Voice", Vandross has been recognized as one of the 200 greatest singers of all time (2023) by Rolling Stone, as well as one of the greatest R&B artists by Billboard. In addition, NPR named him one of the 50 Great Voices. He was the recipient of eight Grammy Awards, including Song of the Year in 2004 for a track recorded not long before his death, "Dance with My Father". In 2021, he was posthumously inducted into the National Rhythm & Blues Hall of Fame.