Claudio Monteverdi (1567–1643) was the most influential composer of the early Baroque, a master of expressive vocal writing who fundamentally changed how music could convey emotion and text. His innovations in harmony, orchestration, and dramatic pacing shaped the future of opera and sacred music alike, making him essential listening for anyone studying the transition from Renaissance to Baroque practice.
Monteverdi spent much of his career in Mantua and Venice, writing madrigals, operas, and sacred works that pushed the boundaries of what voices and instruments could do together. His Vespers of 1610 remain among his most performed compositions, prized for their theatrical grandeur, structural invention, and the way they blend traditional liturgical forms with strikingly modern musical language.