He held a B.A. degree from the University of California, Los Angeles, an M.A. from the Eastman School of Music, and a Ph.D. in music composition from the University of Southern California, where his instructors included Leon Kirchner and Ingolf Dahl.
He taught at Mills College, Yale University (1960-1968), and the University of Maryland, College Park (1969-2014). His notable students include Jeffrey Mumford, Liviu Marinescu, Julia Stilman-Lasansky, and Susan Cohn Lackman.
Moss composed operatic, instrumental, and electronic music. His music is published by Theodore Presser, Association for the Promotion of New Music (A.P.N.M.), McGinnis & Marx, Alfred Publishing Co., Roncorp Inc., Northeastern Music Programs, and Seesaw Music Corp.
- "Lawrence Kenneth Moss 1927 - 2022". Legacy. Retrieved 9 November 2022.