Giovanni Maria Nanino (c. 1543–1607) was an influential Italian composer of the late Renaissance, particularly noted for his contributions to the genre of madrigals and sacred music. Born in Rome, he was a key figure in the development of the Roman school of music, which emphasized polyphonic choral writing. Nanino's notable works include his collection of madrigals, "Madrigali," published in 1585, which exemplifies the rich textures and expressive qualities of the genre during this period. He is also known for his "Sacrae Cantiones," which reflect the stylistic transitions occurring in sacred music at the time. His impact on music is significant, as he helped bridge the gap between the intricate polyphony of the earlier Renaissance and the emerging styles of the early Baroque. Nanino's work influenced future composers, including those who followed in the tradition of sacred and secular vocal music. His innovative use of harmony and counterpoint contributed to the evolution of Italian music and the madrigal form, making him an important figure in the transition towards more expressive and dramatic musical forms.