Sylvia Massy

Common card · No. 293212

Sylvia Lenore Massy is a Grammy winning American record producer, mixer, and engineer. Undertow (1993), a full-length triple platinum-selling debut for alternative metal band Tool from Los Angeles, was her major breakthrough. In addition she has worked with System of a Down, Johnny Cash, Red Hot Chili Peppers, and South Cry, a Brazilian rock band.