Polyphonic Chant

Polyphonic chant represents the evolution of liturgical plainsong into a complex, multi-voiced texture, emerging in the European High Middle Ages. It is defined by its a cappella vocal foundation, where two or more independent melodic lines are sung simultaneously, a practice known as counterpoint. This compositional method, pioneered by figures like *Pérotin* and perfected by Renaissance masters such as *Josquin des Prez*, prioritized sacred text and acoustical resonance within ecclesiastical spaces. Its development laid the structural and harmonic groundwork for the entirety of Western classical music, moving composition from improvisation to a notated art form.