"Zelda's Lullaby" is a musical theme from the popular video game series, The Legend of Zelda. Composed by Koji Kondo, this soothing melody is often associated with the character Princess Zelda. It is used in the game to invoke a sense of calm and to represent the protective nature of the princess. In the game, players can use "Zelda's Lullaby" to solve puzzles and interact with certain elements in the environment. The song is played on the Ocarina, a wind instrument that plays a key role in the gameplay. Its enchanting notes have made it a beloved piece among fans of the series.