Glenn Rosenstein is an American record producer, engineer, sound mixer and guitarist based in Muscle Shoals, Alabama, who engineered and produced many albums including the Grammy-winning One Bright Day by Ziggy Marley.
[1] Rosenstein worked at Sigma Sound Studios in New York City in the 1980s.
He owns and runs Skylight Studio.
[2] Rosenstein started as a guitarist but, having "quickly learned in a very competitive NYC market that [he] was average at best", moved to music production, his first job being a part-time receptionist at The Power Station.
[3] As a producer, mixer, and engineer, his projects have won three Grammy Awards, garnered five Grammy nominations and won both an Oscar and a Golden Globe award.