Schwartz established the studio as a production house, recording demos by artists such as Roy Orbison, Evelyn "Champagne" King, Smokey Robinson, Stephanie Mills, Fleetwood Mac, Burton Cummings, Howard Hewett, Moon Martin, Five Star, Billy Burnette, The Dwight Twilley Band, The Sylvers and The Jackson 5.
[citation needed] With more of the clients requesting pre-production work and Barry Coffin's 9-piece horn band attracting singers to the studio, Schwartz leased 3000 sq.
ft. on Melrose Ave. next to the Elite Modeling agency and added 2 more studios and 56 West, a live music club.
[citation needed] Studio 56 has been used by numerous notable artists, including Sugar Ray, Kenneth Crouch, Derrick Edmondson, Johnny Cash, Toni Braxton, Mary J. Blige, Boyz II Men, Chaka Khan, Brandy, Guns N' Roses, R. Kelly, Missy Elliott, Jessica Simpson, Bone Thugs-N-Harmony, Korn, Priscilla Presley, Natalie Cole, Christina Aguilera, Queen Latifah, Keith Clizark, Ringo Starr, Frank Zappa, Harry Nilsson, Burton Cummings, Ray J, Gladys Knight, Rod Stewart, Stevie Wonder and many more great artists.
Producers like Keith Crouch, Jack Douglas, Mike Clink, Damon Elliot, Timbaland, Stanley Clarke, Phil Spector, David Cole, Dr. Dre, Gamble and Huff, Randy Jackson, Jae Deal, Booker T Jones II, Booker T Jones III, David Malloy, Tim McGraw, Van Dyke Parks, John Purdell, Tom Werman, Duane Baron, Richard Perry, Elan Morrison and Leon Sylvers III, Shades of Blue band George Music productions[citation needed]