View a Preview ClipEqual Temperament. Pythagoras believed that music originates in nature and that natural harmonies express very distinct mathematical relationships between their notes. From Pythagoras’ first scales and the advent of harmony to the standardization of all instruments to equal temperament, this program traces the evolution of the system of tuning that revolutionized Western music. Few musical cultures have escaped its influence, and without it, much of the world’s most beautiful music could not exist. (51 minutes)
