Simon Keenlyside is a baritone with an international career, performing a wide range of operatic roles ranging from the Baroque to world premieres. Keenlyside sang Lescaut in Puccini's opera Manon Lescaut while still a student, and his career has been divided between opera and song. His professional debut came in 1988 at the Hamburg State Opera. Keenlyside's solo debut came in 1996 with Richard Strauss: Lieder Recital, accompanied by Malcolm Martineau. Keenlyside's versatility was shown by the 2014 release Something's Gotta Give, featuring selections from the Broadway musical repertory. In 2023, Keenlyside released the album Jonathan Dove: In Exile with the City of Birmingham Symphony Orchestra.