This sound comes from Luigi's Mansion, released for the Nintendo GameCube in 2001, where Luigi explores a haunted mansion and helps its frightened residents. Toad appears as a nervous helper throughout the game, and this jingle plays when Luigi manages to cheer him up. As the game became a cult favourite and its audio was shared on soundboards and in fan edits, the short tune took on a second life outside the mansion. It remains popular because it instantly reads as comfort, encouragement, and a small happy ending.