Is the renaissance the earliest musical period in western tradition?

No, the Renaissance is not the earliest musical period in Western tradition; it followed the Medieval period. The Medieval era, which lasted roughly from the 5th to the late 15th century, is characterized by the development of early notations and the emergence of polyphony. The Renaissance, occurring from the 15th to the early 17th century, built upon these earlier foundations and introduced a greater focus on harmony, expressive melodies, and secular themes.