Jack's Big Music Show is an American musical children's television series originally airing on the Nick Jr. television network.
The series focuses on music-loving Jack, his best friend Mary, and his drum-playing dog Mel, all of whom are puppets. The show takes place in Jack's backyard clubhouse, and centers on the characters' passion for music. The characters play music in every episode, and are often accompanied by other puppets or human musicians. Each episode usually features two music videos by children's musical artists.