The Tartini tone is an auditory phenomenon that occurs when two musical notes are played simultaneously, creating a third tone that is not actually present. This effect is named after the 18th-century violinist and composer Giuseppe Tartini, who first described it in his work. The perceived tone arises from the interaction of the frequencies of the two notes, resulting in a beat frequency that the ear interprets as an additional sound. This phenomenon is often used in music and acoustics to explore the relationship between different pitches. The Tartini tone can enhance the richness of musical performances, particularly in string instruments like the violin, where harmonics and overtones play a significant role in sound production.