The sound produced by a string depends on the characteristics of the string (length, thickness and tension), Pythagoras revealed that dividing a string in certain proportions caused pleasant sounds for the ear, called harmonics and the note that transmitted the string was based on the string. length of it. Pythagoras related music to mathematics. He based his studies on the nature of musical sounds and realized that there was a relationship between sounds and whole numbers, discovering the mathematical theory of music
