Dowd's impact on the careers of many esteemed, award-winning artists is a major part of the documentary. His gift for capturing and enhancing sound made him a treasure to musicians from all genres: John Coltrane, Charlie Mingus, Aretha Franklin, Bobby Darin, The Drifters, Eric Clapton, Cream, the Allman Brothers represent a tiny sample of artists who credit _him_ with their recording success. <sep>, Pronoun: him <sep>, A: Bobby Darin <sep>, B: Eric Clapton