"La Calisto" is an opera composed by Francesco Cavalli, first performed in 1650. It is based on the myth of Callisto, a nymph who is transformed into a bear by the goddess Juno. The story explores themes of love, jealousy, and transformation, showcasing the complexities of relationships among gods and mortals. The opera features a blend of baroque music and dramatic storytelling, highlighting Cavalli's unique style. It includes a variety of characters, such as Jupiter, who disguises himself to pursue Callisto, and Mercury, who plays a crucial role in the unfolding events. "La Calisto" remains a significant work in the history of opera.