Definition & Meaning of "libretto"

What is a "libretto"?

A libretto is the text or script of an opera, operetta, or musical. It includes all the words that are sung or spoken during the performance, including the dialogue, lyrics, and stage directions. The libretto is written by a librettist, who collaborates with the composer to create the story and structure of the musical work. It provides the narrative framework and helps guide the music, ensuring that the story is conveyed effectively through both words and music.