Claudio Monteverdi (1567-1643) was an Italian composer, singer, and instrumentalist, known for his pivotal role in the transition from the Renaissance to the Baroque period in music. He is best recognized for his operas, particularly L'Orfeo, which is considered one of the first great operas in history. Monteverdi's innovative use of harmony and expressive melodies helped shape the future of Western classical music. In addition to his operas, Monteverdi composed sacred music and madrigals, showcasing his versatility as a composer. His works often emphasized emotional expression, a hallmark of the Baroque style. Monteverdi's influence extended beyond his lifetime, inspiring generations of composers, including Johann Sebastian Bach and George Frideric Handel.