Joseph Kerman (born 1924) is a writer on music and a musicologist. He is a professor emeritus at University of California, Berkeley. His many works include The Elizabethan Madrigal (1962), The Beethoven Quartets (1967), The Kafka Sketchbook (1970), The Masses and Motets of William Byrd (1980), The New Grove Beethoven (1983, with Alan Tyson), Contemplating Music: Challenges to Musicology (1985), Opera as Drama (1988), Write All These Down (1994), Opera and the Morbidity of Music (2008), and many more.
Gary Tomlinson is John Hay Whitney Professor of Music and Humanities, and Director of the Whitney Humanities Center at Yale University. His books include The Singing of the New World: Indigenous Voice in the Era of European Contact and Metaphysical Song: An Essay on Opera.