Sing Song World (Mario's Early Years! Fun with Letters)

Sing Song World is a location in Mario's Early Years! Fun with Letters. It is one of the seven islands in the game and is represented by two children singing.

Sing Song World allows the player to listen to the following songs with some visual depictions:
 * Displays Mario jumping from platform to platform while the corresponding letters appear.
 * Displays Mario with some children in a classroom while clapping, stomping, and shouting "Hooray!" to the beat of the song.
 * Displays Mario in a bedroom with an old man in a bed, along with a thunderstorm visible from a window.
 * Displays Princess Toadstool standing quietly amidst a night sky.