Thomas John Dowd was an American recording engineer and producer for Atlantic Records. He was credited with innovating the multitrack recording method. Dowd worked on a veritable "who's who" of recordings that encompassed blues, jazz, pop, rock, and soul records.

An audio engineer helps to produce a recording or a live performance, balancing and adjusting sound sources using equalization, dynamics processing and audio effects, mixing, reproduction, and reinforcement of sound. Audio engineers work on the "technical aspect of recording—the placing of microphones, pre-amp knobs, the setting of levels. The physical recording of any project is done by an engineer…"