One magical night, Scooby-Doo and the gang venture to a music festival in the city. While everyone is having fun, a mysterious shadow appears, frightening the visitors. To solve the mystery, Scooby decides to use his musical talent and starts playing the guitar, attracting the attention of the ghost that haunts the event. With the help of Shaggy, Fred, Daphne and Velma, they create a song that reveals the ghost's true identity, an old musician who just wanted to perform again. In the end, everyone dances and celebrates, and Scooby-Doo becomes the hero of the night, showing that music can bring people together and solve mysteries.
