Io is an unfinished opera by Jean-Philippe Rameau in the form of a one-act acte de ballet. The date of its composition is unknown and it was probably unperformed during Rameau's lifetime.
Jean-Philippe Rameau's Io is an incomplete work in the style of a one-act ballet. Unfortunately, the precise date of its composition remains unclear, and it probably did not receive a performance during Rameau's own lifetime.