Rudolf Agricola (1443–1485) was a prominent Dutch composer and music theorist of the late Renaissance, often regarded as a key figure in the development of the early Netherlandish polyphonic style. His work bridged the transition from the late medieval to the early Renaissance music periods. Agricola's genre primarily encompassed sacred music, notably masses and motets, but he also composed secular works, including chansons. His notable works include "Missa 'In te Domine speravi'" and various settings of Latin and vernacular texts. Agricola was influential in the integration of humanist ideas into music, emphasizing expressive melody and complex polyphony. He was also an important figure in music theory, contributing to the understanding of counterpoint and musical notation. His treatise, "Musica," laid foundational concepts that would influence later composers. Agricola's impact on music is significant; he is often considered a precursor to the more well-known composers of the Franco-Flemish School, such as Josquin des Prez. His work helped to establish a distinctly Northern European style that would shape the evolution of Western music in the late 15th and early 16th centuries.