Nicholas Isherwood is US-born bass singer, who specialises in contemporary and baroque music. Notable roles include "Lucifer" in the world premieres of Stockhausen’s Montag, Dienstag, and Freitag from Licht at La Scala and the Leipzig Opera, and in Donnerstag aus Licht at Covent Garden.

Isherwood has worked with Joel Cohen, William Christie, Peter Eötvös, Paul McCreesh, Nicholas McGegan, Kent Nagano, Zubin Mehta and Gennadi Rozhdestvensky as well as composers Sylvano Bussotti, Elliott Carter, George Crumb, Hans Werner Henze, Mauricio Kagel, György Kurtág, Olivier Messiaen, Giacinto Scelsi, Karlheinz Stockhausen, and Iannis Xenakis in venues such as La Scala, Covent Garden, the Théatre des Champs Elysées, Salzburg Festival, Concertgebouw, Berlin Staatsoper, Vienna Konzerthaus, Tanglewood).